Experience your driving passion with our ECS Valved Exhaust System!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Experience maximum gains of over 53whp and 47 ft/lbs of torque with a full V10 exhaust roar!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2020+ models only
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4660138
Mfg#:
042002LA01KT
In Stock
ON SALE!
SAVE 10%
$451.99
This product was last offered at the strikethrough price on 05-02-2026
Experience your driving passion with our ECS Valved Exhaust System!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4660245
Mfg#:
042002LA01KT2
In Stock
ON SALE!
SAVE 10%
$451.99
This product was last offered at the strikethrough price on 05-02-2026
409 hi-grade Stainless steel dual exit rear exhaust with silencer
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Does not include exhaust tips - Supersprint quad tips can be purchased as 771727
This system produces a mild sound unleashing all available horsepower and torque.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4500329
Mfg#:
49-36445
Back Ordered
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1138.99
This product was last offered at the strikethrough price on 05-27-2026
Rubber hanger for rear muffler, comes with bracket
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Install new hardware with your new parts. M8x16
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Secures rear muffler brackets to the vehicle
Brand:
ES#:
468761
Mfg#:
N10668401
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.
$5.40
This product was last offered at the strikethrough price on 06-04-2026
Rubber hanger includes bracket for rear of rear muffler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
One of the most cost-effective and daily livable exhaust upgrades is an axle-back exhaust system. The axle-back exhaust replaces everything from the rear axle to the muffler for a sporty look and sound without sacrificing comfort or cost.
Lifetime Replacement
