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Audi A4 Exhaust Parts & Accessories

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Rear Muffler Heat Shield - Left

ES#451148 - 8K0804171A - Rear Muffler Heat Shield - Left - Replace your missing heat shield - Genuine Volkswagen Audi - Audi

Replace your missing heat shield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451148
Mfg#:
8K0804171A
Ships on Oct 7, 2026
10% off MSRP

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

$141.99

This product was last offered at the strikethrough price on
08-31-2026

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Stud - Priced Each

ES#467176 - N0445145 - Exhaust Manifold Stud - Priced Each - Allows the down pipes to be secured to the manifold. M8x25 - Genuine Volkswagen Audi - Audi Volkswagen

Allows the down pipes to be secured to the manifold. M8x25

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467176
Mfg#:
N0445145
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Installation Kit

ES#2608229 - 8K0253115KT - Downpipe Installation Kit - All new hardware to install your new downpipe - Genuine Volkswagen Audi - Audi

All new hardware to install your new downpipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2608229
Mfg#:
8K0253115KT
In Stock
$62.99

This product was last offered at the strikethrough price on
08-31-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4505652 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Meyle - Audi Volkswagen

Keep your engine running efficiently 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For engine code AHA, fits left and right position

Brand:
Meyle - Corporate Logo
ES#:
4505652
Mfg#:
021906265AK
Ships on Oct 6, 2026
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#1558 - 021906265AG - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
1558
Mfg#:
021906265AG
Ships in 1-2 days
$127.99

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

$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#2570165 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently

Brand:
Walker - Corporate Logo
ES#:
2570165
Mfg#:
1K0998262T
Ships in 1-2 days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Installation Kit

ES#2587760 - N0102478KT - Cat-Back Installation Kit - Includes hardware to bolt up your cat-back system - Assembled By ECS - Audi

Includes hardware to bolt up your cat-back system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587760
Mfg#:
N0102478KT
In Stock
ON SALE! SAVE 16%
$33.99

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

$28.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Downpipe

ES#205325 - 860-931 - Exhaust Downpipe - Includes the flex section - Bosal - Audi

Includes the flex section For manual transmission vehicles

Brand:
Bosal - Corporate Logo
ES#:
205325
Mfg#:
860-931
Back Ordered
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - 4 Pin - Black

Located after the catalytic converter For models with BGN engine code only - Fits left and right sides

Brand:
Walker - Corporate Logo
ES#:
3690282
Mfg#:
1K0998262R
Ships in 1-2 days
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470646
Mfg#:
1K0998262L
Ships on Nov 30, 2026
ON SALE! SAVE 20%
$129.99

This product was last offered at the strikethrough price on
05-29-2026

$103.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Hanger Spring

ES#2522909 - 893253353 - Downpipe Hanger Spring - Replace your worn or damaged spring - Genuine Volkswagen Audi - Audi Volkswagen

Replace your worn or damaged spring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2522909
Mfg#:
893253353
Ships in 1-2 days
10% off MSRP

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

$28.99

This product was last offered at the strikethrough price on
09-20-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#429580 - 8D0253115C - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Genuine Volkswagen Audi - Audi Volkswagen

Between the exhaust manifold and downpipe, requires 2

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429580
Mfg#:
8D0253115C
Ships in 1-2 days
13% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
09-20-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Replacement Kit

ES#2766074 - 078131120KKT6 - EGR Valve Replacement Kit - Complete gasket and hardware to replace the EGR valve - Assembled By ECS - Audi

Complete gasket and hardware to replace the EGR valve 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766074
Mfg#:
078131120KKT6
Ships in 3 Business Days
ON SALE! SAVE 16%
$58.99

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

$49.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#283692 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283692
Mfg#:
078131120K
Ships in 3 Business Days
7% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
09-20-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Installation Kit

ES#2575490 - 8D0253115KT2 - Catalytic Converter Installation Kit - Includes the necessary hardware and gaskets to install the catalytic converter - Assembled By ECS - Audi

Includes the necessary hardware and gaskets to install the catalytic converter 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575490
Mfg#:
8D0253115KT2
In Stock
ON SALE! SAVE 21%
$59.99

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

$47.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2748376 - 1H0253115 - Exhaust Gasket - Seals the down pipe to the catalytic converter - Elring - Audi Volkswagen

Seals the down pipe to the catalytic converter 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2748376
Mfg#:
1H0253115
Ships in 2 Business Days
$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up
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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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