Quick view Details AEM AEM Digital Wideband UEGO Gauge - 30-4110 MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view Details AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view Details AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view Details AEM AEM X-Series 8-18V Volt Gauge - 30-0303 MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view Details AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view Details AEM AEM X-Series 8-18V Volt Gauge - 30-0303 MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view Details AEM AEM X-Series 8-18V Volt Gauge - 30-0303 MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details AEM AEM X-Series 8-18V Volt Gauge - 30-0303 MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... 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MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. 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Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing MSRP: Now: $399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Canards - Cadillac CT4-V Blackwing MSRP: Now: $899.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $929.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Front Splitter - Cadillac CT4-V Blackwing MSRP: Now: $509.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Front Splitter w. Canards & Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $1,279.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Paddle Shifters - Cadillac CT4 / CT5-V MSRP: Now: $129.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Rear Trunk Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $299.00 Add to Cart Compare Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS Carbon Fiber Roof Spoiler - Cadillac CT4-V Blackwing MSRP: Now: $189.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details EOS EOS Carbon Fiber Side Skirts - Cadillac CT4-V Blackwing MSRP: Now: $389.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Trunk w. Integrated Spoiler - 2022+ Cadillac CT4-V MSRP: Now: $1,399.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... 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MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... 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MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Vented Fenders - 2020+ Cadillac CT4-V MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Carbon Fiber Vented Hood - Cadillac CT4-V MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Gloss Black Front Grille - 2020+ Cadillac CT4-V MSRP: Now: $169.00 Add to Cart Compare Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details EOS EOS Red Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V MSRP: Now: $139.00 Add to Cart Compare Quick view Details HP Tuners HP Tuners MPVI3 Compare Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details HP Tuners HP Tuners MPVI4 Tuning Device MSRP: Now: $399.99 Choose Options Compare Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Innovate Motorsports Innovate DB-Blue Kit (Blue LEDs LC-2 & O2 Sensor) - 3795 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Innovate Motorsports Innovate DB-Green Gauge / LC-2 Kit - 3873 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Innovate Motorsports Innovate DB-Red Kit (Red LEDs LC-2 & O2 Sensor) - 3796 MSRP: $287.19 Now: $244.11 Add to Cart Compare Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Innovate Motorsports Innovate DLG-1 Dual Lambda O2 Gauge Kit - 3891 MSRP: $523.23 Now: $444.75 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Complete Gauge Kit - 3906 MSRP: $575.68 Now: $489.33 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Innovate Motorsports Innovate ECB-1 (Boost) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3911 MSRP: $510.11 Now: $433.59 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... 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MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Complete Gauge Kit - 3903 MSRP: $654.37 Now: $556.21 Add to Cart Compare Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Details Innovate Motorsports Innovate ECF-1 (Fuel) Ethanol Advanced Gauge Kit (SENSOR NOT INCLUDED) - 3910 MSRP: $588.80 Now: $500.48 CURRENTLY OUT OF STOCK Compare Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Details Innovate Motorsports Innovate LC2 Digital Wideband Lambda Sensor Controller - 3877 MSRP: $247.84 Now: $210.66 Add to Cart Compare Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view AEM AEM Digital Wideband UEGO Gauge - 30-4110 AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series 0-150 Oil Pressure Gauge Kit - 30-0307 AEM's 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly... MSRP: $311.95 Now: $276.95 Add to Cart Compare Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series 0-160 MPH Black Bezel w/ Black Face GPS Speedometer Gauge - 30-0313 The X-Series GPS Speedometer Gauge has a bright four-digit LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping LED "needle" lines the edge of... MSRP: $233.95 Now: $207.95 Add to Cart Compare Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series 8-18V Volt Gauge - 30-0303 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall on the Volts gauge. All X-Series gauges... MSRP: $188.95 Now: $167.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series Boost Pressure -30inHg 35psi Gauge - 30-0306 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series Boost Pressure -30inHg 60psi Gauge Kit - 30-0308 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $368.95 Now: $327.95 Add to Cart Compare Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view AEM AEM X-Series EGT 0-1800F Gauge - 30-0305 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $393.95 Now: $349.95 Add to Cart Compare Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view AEM AEM X-Series Inline Wideband UEGO Controller - 30-0310 When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it... MSRP: $249.95 Now: $221.95 Add to Cart Compare Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough... MSRP: $337.95 Now: $299.95 Add to Cart Compare Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view AEM AEM X-Series Pressure 0-100psi Gauge Kit - 30-0301 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series Temperature 100-300F Gauge Kit (ONLY Black Bezel and Water Temp. Faceplate) - 30-0302 X-Series Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout... MSRP: $272.95 Now: $241.95 CURRENTLY OUT OF STOCK Compare Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series Tru-Boost Controller Gauge w/ Boost Control Solenoid 80PSIg Internal MAP Sensor - 30-0352 All AEM Tru-Boost gauge programming is done using the faceplate buttons and no laptop is required. AEM's specially designed Boost Control Solenoid and all necessary hardware is included.Program Two... MSRP: $449.95 Now: $399.95 Add to Cart Compare Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AEM AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - 30-0300 Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X-Digital technology can reduce deadtime and improve... MSRP: $259.95 Now: $230.95 Add to Cart Compare Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view Aeroforce Aeroforce Interceptor Gauge - OBDII Scan Gauge Aeroforce Interceptor Gauge - OBDII Scan Gauge Monitor your critical vehicle sensors and data on a compact 2 - 1/16” gauge for countless mounting options using our selection of pods or 3rd MSRP: $289.99 Now: $273.99 Choose Options Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... 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Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Diamond Black Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,352.63 Now: $3,185.00 Add to Cart Compare Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view AWE Tuning AWE SwitchPath Catback Exhaust w. Polished Tips - Cadillac CT4-V Blackwing A dual 3" catback configuration constructed of US-sourced T304L stainless steel featuring a bespoke AWE X-pipe to harness the V6TT, patented drone-canceling 180 Technology®, full factory valve... MSRP: $3,310.53 Now: $3,145.00 Add to Cart Compare Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
Quick view Banks Power Banks Power iDash Pro Universal Scan Gauge - 66710 The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood in real-time. The compact device blows away the... MSRP: $465.56 Now: $419.00 CURRENTLY OUT OF STOCK Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip - 21319BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Black Tip Corsa's Cadillac CT4-V Blackwing axle-back exhaust will give your Blackwing the sound it deserves! The system... MSRP: $3,127.99 Now: $2,869.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip - 21319CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,367.99 Now: $3,089.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip - 21319CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Carbon Fiber Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,247.99 Now: $2,979.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip - 21319 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Axle-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Axle-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing axle-back exhaust... MSRP: $3,007.99 Now: $2,759.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip - 21317BLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust will... MSRP: $3,607.99 Now: $3,309.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip - 21317CFBLK Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Carbon Fiber Black Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V Blackwing... MSRP: $3,967.99 Now: $3,639.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip - 21317 Corsa 22-25 Cadillac CT4 V Blackwing 3in Active Valve Cat-Back - 4.5in Polished Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back 4.5 in Slash Tips Corsa's Cadillac CT4-V Blackwing cat-back exhaust... MSRP: $3,487.99 Now: $3,199.99 Add to Cart Compare Quick view Corsa Performance Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip - 21317CF Corsa 22-25 Cadillac CT4 V Blackwing 3in Dual Mode Active Cat-Back 4.5in CF Polished Dual Rear Tip Cadillac CT4-V Blackwing 3.0 in Cat-Back Carbon Fiber Twin 4.5" Tips Corsa's Cadillac CT4-V... MSRP: $3,847.99 Now: $3,529.99 Add to Cart Compare Quick view EOS EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V EOS Carbon Fiber Antenna Cover - Cadillac 16-19 ATS-V / CTS-V / CT4-V / CT5-V Upgrade your Cadillac’s exterior styling with the 14-Up Cadillac ATS CTS CT4 CT5 Carbon Fiber Tape-On Shark Fin Ant MSRP: Now: $139.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing EOS Carbon Fiber Engine Cover - 16-19 ATS-V / 2022+ CT4-V Blackwing Enhance the engine bay presence of your Cadillac performance vehicle with this Extreme Online Store dry carbon fiber front bumper... MSRP: Now: $399.00 Add to Cart Compare Quick view EOS EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing EOS Carbon Fiber Front Canards - Cadillac CT4-V Blackwing 2020-Up Cadillac CT4-V Blackwing Front Canards COMPARABILITY: 2020-Present Cadillac CT4-V Blackwing Models PACKAGE: CT4-V Blackwing Package... MSRP: Now: $399.00 Add to Cart Compare Quick view
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