Flow without limits: The ultimate bolt-on upgrade for Audi B9 power, sound, and reliability.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat!
Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology® resonators.
2X Entries Into Our F80 M3 Sweepstakes
The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4839642
Mfg#:
013907LA01-03KT
In Stock
ON SALE!
SAVE 25%
$333.99
This product was last offered at the strikethrough price on 06-13-2026
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.
