Upgrades existing APR Stage I software to Stage II Supercharger Pulley upgrade software
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! For use with the APR Supercharger Pulley Upgrades - Existing APR Stage 1 software must be present for thi
Located on the lower radiator hose connection
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Details Instantly improve your vehicle’s throttle response and drivability with the Pedal 2 Metal Throttle Enhancer.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5396067
Mfg#:
77-20008
Ships in 1 Business Day
ON SALE!
SAVE 12%
$281.99
This product was last offered at the strikethrough price on 04-06-2026
This billet o ring sealed flange adapts your IE Turbo Inlet Pipe to a GT35R hybrid sized turbo with a 66mm inlet.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This adapter ring is for IE B9 S4 & S5 3.0T Turbo Inlet Pipe only, will not work with other brand turbo inlets.
Brand:
ES#:
4505516
Mfg#:
IEINCK4-11
In Stock
ON SALE!
SAVE 10%
$54.99
This product was last offered at the strikethrough price on 06-25-2026
Connects coolant pipe to oil cooler housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2642888
Mfg#:
078121096AD
In Stock
ON SALE!
$19.99
This product was last offered at the strikethrough price on 06-29-2026
Includes OE oil filter, drain plug/washer, 7 liters of Pentosin 5w-40, and ECS Billet Filter Housing Cap
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
2.5 upgrade is designed to clean up your engine bay and move your supply of methanol into the trunk
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2 pin sensor with related O-ring. Also known as "after run coolant sensor"
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.