2.37" stainless steel with dual black Cerakote oval tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Up to the 2012 model year
Reduce turbo lag and enhance the exhaust note
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Improve the sound and performance of your vehicle with a valved catback & Luft-Technik Intake System
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Brand:
ES#:
4751050
Mfg#:
026018ECSEBKT
In Stock
ON SALE!
SAVE 23%
$3293.99
This product was last offered at the strikethrough price on 05-05-2026
Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System
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Brand:
ES#:
4751087
Mfg#:
008553ECS03EB2KT
Ships on Dec 31, 2026
ON SALE!
SAVE 28%
$3351.75
This product was last offered at the strikethrough price on 05-05-2026
Contains all of the hardware you need to install new catalytic converters on your Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2576283
Mfg#:
8K0253115AKT2
In Stock
ON SALE!
SAVE 16%
$98.99
This product was last offered at the strikethrough price on 05-02-2026
Ceramic Coated Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!
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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
2.5" half-exhaust built to last with 304 stainless steel and quad polished daytona tips
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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
