ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4020151
Mfg#:
003353ECS01KT2
In Stock
ON SALE!
SAVE 10%
$1172.99
This product was last offered at the strikethrough price on 06-13-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Composed of the necessary components needed while converting your single exit exhaust to a dual or quad exit exhaust system on your B8/B8.5 Audi A4
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4049650
Mfg#:
8K0804172KT1
Ships in 1-2 days
$157.99
This product was last offered at the strikethrough price on 06-30-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Performance exhaust systems increase flows to improve throttle response and add power. Designed to reduce back pressure, our large selection of performance exhaust parts and performance exhaust systems is made from premium materials like stainless steel. Many are TIG welded and polished to make them as attractive as they are functional.
Lifetime Replacement
