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Audi B8/B8.5 S4 Quattro 3.0T Exhaust Parts & Accessories

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ES#3426667 - 034-105-7040 - 034Motorsport Res-X Resonator Delete - Unleashes a throaty growl and exotic tone that exudes the sound of
performance - 034Motorsport - Audi

Unleashes a throaty growl and exotic tone that exudes the sound of performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3426667
Mfg#:
034-105-7040
In Stock
$443.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827493 - SSXAU376 - Cat-Back Exhaust System - Non-Resonated Race Version - 2.37" stainless steel with quad 100mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827493
Mfg#:
SSXAU376
Ships in 3 Business Days
$2938.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827394 - SSXAU268 - Cat-Back Exhaust System - Non-Resonated - 2.37" stainless steel with quad 80mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 80mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827394
Mfg#:
SSXAU268
Ships in 3 Business Days
$2844.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827370 - SSXAU240 - Cat-Back Exhaust System - Non-Resonated - 2.37" stainless steel with dual black Cerakote oval tips - Milltek Sport - Audi

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

Brand:
Milltek Sport - Corporate Logo
ES#:
2827370
Mfg#:
SSXAU240
Ships in 3 Business Days
$2771.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557460 - CTSEXHDP0017 - 2.5" Performance Downpipe Set - For substantial power gains, improved exhaust flow and a more throaty sound! - CTS - Audi

For substantial power gains, improved exhaust flow and a more throaty sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3557460
Mfg#:
CTSEXHDP0017
Ships in 7 Business Days
ON SALE! SAVE 15%
$599.99

This product was last offered at the strikethrough price on
06-08-2026

$509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2882479 - 1K0253141M - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - Vaico - Audi Volkswagen

Quiet down your leaking exhaust. 55mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Connects the down pipe to the center muffler

Brand:
Vaico - Corporate Logo
ES#:
2882479
Mfg#:
1K0253141M
In Stock
$31.99

This product was last offered at the strikethrough price on
01-23-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4440458 - 012622LA01 - B8/B8.5 3.0T Downpipe Removal Tool - Easily remove stubborn downpipe nuts on your 3.0T downpipe. - ECS - Audi

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:
ECS - Corporate Logo
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

$11.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4751087 - 008553ECS03EB2KT - Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System - Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751087
Mfg#:
008553ECS03EB2KT
Ships on Jan 11, 2027
ON SALE! SAVE 28%
$3351.75

This product was last offered at the strikethrough price on
05-05-2026

$2399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2576283 - 8K0253115AKT2 - Catalytic Converter Install Kit - Contains all of the hardware you need to install new catalytic converters on your Audi - Assembled By ECS - Audi

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:
Assembled By ECS - Corporate Logo
ES#:
2576283
Mfg#:
8K0253115AKT2
Ships in 1 Business Day
ON SALE! SAVE 16%
$98.99

This product was last offered at the strikethrough price on
05-02-2026

$83.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3419449 - 06E906265AJ - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - NTK - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
NTK - Corporate Logo
ES#:
3419449
Mfg#:
06E906265AJ
In Stock at Vendor
$205.99

This product was last offered at the strikethrough price on
05-07-2026

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2093800 - 15599 - Cat-Back Exhaust - 2.25" stainless steel with dual 3.5" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 3.5" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2093800
Mfg#:
15599
Ships in 1 Business Day
$1813.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4004612 - 8K0253144M - Rear Muffler Hanger - Priced Each - Secures the muffler to the vehicle - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
4004612
Mfg#:
8K0253144M
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4716227 - 8K0253115D - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Elring - Audi

Seals the catalytic converter to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4716227
Mfg#:
8K0253115D
In Stock
$11.99

This product was last offered at the strikethrough price on
04-20-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3969343 - SAU044 - 2.5" Resonated Half Exhaust System  - 2.5" half-exhaust built to last with 304 stainless steel and quad polished daytona tips - Scorpion - Audi

2.5" half-exhaust built to last with 304 stainless steel and quad polished daytona tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scorpion - Corporate Logo
ES#:
3969343
Mfg#:
SAU044
Ships in 2 Business Days
$1741.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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