Easily remove stubborn downpipe nuts on your 3.0T downpipe.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4440458
Mfg#:
012622LA01
In Stock
ON SALE!
SAVE 25%
$15.99
This product was last offered at the strikethrough price on 05-02-2026
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 Jan 5, 2027
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
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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
Secures the muffler to the vehicle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Fits the left and right side
Seals the catalytic converter to the downpipe
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Brand:
ES#:
4716227
Mfg#:
8K0253115D
In Stock
$11.99
This product was last offered at the strikethrough price on 04-20-2026
2.5" half-exhaust built to last with 304 stainless steel and quad polished daytona tips
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From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.
Lifetime Replacement
