Includes the upgraded RS4 lower metal guide rail, OEM, iwis and Bremmen chains, tensioners, and guides - The essentials necessary to get the job done!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4818389
Mfg#:
0791092291KT
In Stock
ON SALE!
SAVE 29%
$1423.99
This product was last offered at the strikethrough price on 01-03-2026
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.
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Sleek black anodized finish complete with a subtle iE logo
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Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane with dual pulley upgrade
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. For vehicles with manual transmission only
Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
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Brand:
ES#:
4660245
Mfg#:
042002LA01KT2
Ships in 5 Business Days
ON SALE!
SAVE 15%
$463.99
This product was last offered at the strikethrough price on 06-13-2026
Install new hardware with your new parts. M8x14
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Secures the power steering pulley to the pump - 3 required
Brand:
ES#:
257249
Mfg#:
N90308607
In Stock
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$3.68
This product was last offered at the strikethrough price on 06-19-2026
Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails
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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.
Partial Replacement
