Protect your engine against harmful harmonics at all RPM levels - 21% Underdrive to greatly increase usable horsepower for racing applications
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase engine efficiency and power output, all while retaining Valvetronic and Dual VANOS functionality!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles equipped with a B58C or B58D engine
Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Gauge Pod controller, for optimum control even from the driver's seat!
Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
2986535
Mfg#:
006555ECS04A02KT
In Stock
ON SALE!
SAVE 10%
$155.99
This product was last offered at the strikethrough price on 06-13-2026
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
2986534
Mfg#:
006555ECS04A01KT
In Stock
ON SALE!
SAVE 15%
$155.99
This product was last offered at the strikethrough price on 06-13-2026
Ultra high performing silicone-based brake fluid that exceeds DOT5 boiling points
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3023381
Mfg#:
SRF
In Stock
$118.02
This product was last offered at the strikethrough price on 01-08-2026
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
2918636
Mfg#:
003358ECS03A02
In Stock
ON SALE!
$113.99
This product was last offered at the strikethrough price on 06-13-2026
Designed to test fit different size wheel spacers on almost any European car.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2784343
Mfg#:
001202ECS03A
In Stock
ON SALE!
$183.99
This product was last offered at the strikethrough price on 05-02-2026
A high flow option pump proven to perform!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This is Universal and Not a direct replacement for the Genuine Pump!
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
