Increase of +66 Horsepower, and +111 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace your leaking cap, or the one you left at the pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits vehicle with production dates from 06/21/2021
Brand:
ES#:
4700584
Mfg#:
5WA201550BD
Ships in 3 Business Days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$73.99
This product was last offered at the strikethrough price on 02-03-2026
Looks as great as it performs
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!
Brand:
ES#:
4464978
Mfg#:
CI100043C3
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1631.99
This product was last offered at the strikethrough price on 06-07-2026
Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation
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Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms for vehicles with production date up to 04/16/2018
Brand:
ES#:
3677692
Mfg#:
06M109450PKT1
Back Ordered
$1469.99
This product was last offered at the strikethrough price on 02-26-2026
Offering a huge 128% increase in frontal area and matching increase in internal volume
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Replace the factory plastic cap with this sturdy aluminum one in gloss midnight black anodizing
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Includes both upper, lower clip, injector seals, and a set of injectors.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 06/15/2020
Brand:
ES#:
4706067
Mfg#:
06M906036APKT
Ships in 3 Business Days
$1425.99
This product was last offered at the strikethrough price on 12-09-2025
Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.
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Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package
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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.