Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE!
SAVE 10%
$99.99
This product was last offered at the strikethrough price on 05-02-2026
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Install new hardware with your new parts. M10x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Secures the catalytic converter to the turbocharger
Stainless steel non-resonated cat-back exhaust system with dual round, polished tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes all gaskets and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2587494
Mfg#:
8E0253115DKT
Ships Today
ON SALE!
SAVE 14%
$169.99
This product was last offered at the strikethrough price on 05-02-2026
Includes the necessary hardware and gaskets to install the catalytic converter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3028723
Mfg#:
8D0253115KT3
In Stock
ON SALE!
SAVE 16%
$59.99
This product was last offered at the strikethrough price on 05-02-2026
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Contains all of the hardware you need to install a new catalytic converter on your A4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2575492
Mfg#:
1H0253115DKT1
In Stock
ON SALE!
SAVE 21%
$69.99
This product was last offered at the strikethrough price on 05-02-2026
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
