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Audi S4 Exhaust Parts & Accessories

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ES#2580177 - N044512530801KT - Downpipe Hardware Kit - Contains all of the hardware you need to install new downpipes on your Audi 4.2 engine - Assembled By ECS - Audi

Contains all of the hardware you need to install new downpipes on your Audi 4.2 engine 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#:
2580177
Mfg#:
N044512530801KT
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2724215 - 078145039 - Exhaust Sealing Ring - Priced Each - Seals the turbochargers to the exhaust manifold - Ajusa - Audi Volkswagen

Seals the turbochargers to the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
2724215
Mfg#:
078145039
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#450445 - 8K0253115A - Exhaust Gasket - Priced Each - Seals the manifolds to the catalytic converters - Genuine Volkswagen Audi - Audi

Seals the manifolds to the catalytic converters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450445
Mfg#:
8K0253115A
Ships in 1 day
38% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$11.36

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

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#281028 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281028
Mfg#:
06E906265Q
Ships in 1 day
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$323.34

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

$316.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4007189 - 028092ecs10aKT -  3.0" Stainless Steel 3-Bolt Flange - Priced Each - Universal 3-Bolt flange for your custom exhaust project. Extra thick 10mm flange to avoid warping. - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Universal 3-Bolt flange for your custom exhaust project. Extra thick 10mm flange to avoid warping. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4007189
Mfg#:
028092ECS10AKT
In Stock
ON SALE! SAVE 25%
$27.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3199866 - CHC66.5SS - 66.5MM Exhaust Clamp - Priced Each  - Stainless band clamp used in various Milltek Sport exhaust systems - 66.5mm - Milltek Sport - Audi

Stainless band clamp used in various Milltek Sport exhaust systems - 66.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3199866
Mfg#:
CHC66.5SS
Ships on Jun 24, 2026
Auto Notify
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2960889 - MSAU603 - GT100 Exhaust Black Cerakote Tips - Left - 100mm GT style exhaust tip set for the Left side of the vehicle - Milltek Sport - Audi

100mm GT style exhaust tip set for the Left side of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2960889
Mfg#:
MSAU603
Ships in 3 Business Days
$293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4477136 - 8W0253115P - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Genuine Volkswagen Audi - Audi

Seals the catalytic converter to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 01/28/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4477136
Mfg#:
8W0253115P
Ships in 1 day
13% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$15.99

This product was last offered at the strikethrough price on
06-04-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3607764 - 8W0906265AJ - Oxygen Sensor - Rear - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3607764
Mfg#:
8W0906265AJ
Ships in 1 day
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$303.99

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

$277.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718617 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Elring - Audi Volkswagen

Ensure a proper seal 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#:
2718617
Mfg#:
078131120K
In Stock
$5.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3139674 - 8K0803979J - Front Heat Shield For Tunnel - Front most location heat shield, protects tunnel from downpipe exhaust heat - Genuine Volkswagen Audi - Audi

Front most location heat shield, protects tunnel from downpipe exhaust heat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with 6-speed manual transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3139674
Mfg#:
8K0803979J
Ships in 3 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$273.99

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

$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538615 - 077253039C - Exhaust Manifold Gasket - Priced Each - Fits left and right side - Elring - Audi

Fits left and right side 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#:
2538615
Mfg#:
077253039C
In Stock
$7.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#454249 - 8N0253145 - Dual Clamp Exhaust Sleeve - Priced Each - Connects rear muffler to center muffler. 52mm - Genuine Volkswagen Audi - Audi Volkswagen

Connects rear muffler to center muffler. 52mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Connects center muffler to rear muffler

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
454249
Mfg#:
8N0253145
Ships in 1 day
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$119.99

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

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2678230 - 06E906265R - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi

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

Brand:
Walker - Corporate Logo
ES#:
2678230
Mfg#:
06E906265R
Back Ordered
$227.99

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

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2576064 - 8D0253115FKT1 - Downpipe Installation Kit - Install new hardware with your downpipe - Assembled By ECS - Audi

Install new hardware with your downpipe 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#:
2576064
Mfg#:
8D0253115FKT1
In Stock at Vendor
ON SALE! SAVE 14%
$123.99

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

$106.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2866474 - 078906265M - Oxygen Sensor - Front Position  - Keep your engine running efficiently - Febi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits left and right front position

Brand:
Febi - Corporate Logo
ES#:
2866474
Mfg#:
078906265M
Ships on Sep 3, 2026
$104.99 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.

Let us help you find the parts that fit your Audi

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

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