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Audi A4 Exhaust Parts & Accessories

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Performance Stainless 2.5" Downpipe

ES#3175263 - 251123 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits FWD 5-speed transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175263
Mfg#:
251123
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175268 - 251125R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro 5-speed transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175268
Mfg#:
251125R
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175278 - 251130 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro 6-speed transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175278
Mfg#:
251130
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175266 - 251124R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits automatic transmission models only - To be used with factory exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175266
Mfg#:
251124R
Ships on Jun 25, 2026
$286.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbo Securing Bolt - Longitudinal 1.8T K03/K04 - Priced Each

ES#4880739 - 034-145-B001 - Turbo Securing Bolt - Longitudinal 1.8T K03/K04 - Priced Each - These OEM bolts will ensure your K03/K04 turbo stays properly mounted to the exhaust manifold as Volkswagen and Audi intended. Three (3) Required Per Vehicle. - 034Motorsport - Audi

These OEM bolts will ensure your K03/K04 turbo stays properly mounted to the exhaust manifold as Volkswagen and Audi intended. Three (3) Required Per Vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880739
Mfg#:
034-145-B001
In Stock
$15.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor

ES#281026 - 06E906265N - Rear Oxygen Sensor - Restore fuel mileage and clear codes - Genuine Volkswagen Audi - Audi

Restore fuel mileage and clear codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cylinders 4-6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281026
Mfg#:
06E906265N
Ships in 3 Business Days
11% off MSRP

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

$319.99

This product was last offered at the strikethrough price on
02-26-2026

$284.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#2897355 - 1K0998262L - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2897355
Mfg#:
1K0998262L
Special Order: No Guaranteed ETA
$290.99 USD
Free Shipping

Rear Oxygen Sensor

ES#281027 - 06E906265P - Rear Oxygen Sensor - Clear codes and restore fuel mileage - Genuine Volkswagen Audi - Audi

Clear codes and restore fuel mileage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Position is right side after catalyst.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281027
Mfg#:
06E906265P
Ships in 2 Business Days
11% off MSRP

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

$315.99

This product was last offered at the strikethrough price on
02-26-2026

$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro, automatic transmission models only - To be used with factory 55mm exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175306
Mfg#:
251228R
Ships on Jun 25, 2026
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler Hanger

ES#493182 - 8E0253144M - Rear Muffler Hanger - Secures the muffler to the vehicle - Genuine Volkswagen Audi - Audi

Secures the muffler to the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For the right side muffler

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
493182
Mfg#:
8E0253144M
In Stock
13% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
02-26-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket

ES#251238 - 058253039L - Exhaust Manifold Gasket - Seals the exhaust manifold to the cylinder head - Victor Reinz - Audi Volkswagen

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

Brand:
Victor Reinz - Corporate Logo
ES#:
251238
Mfg#:
058253039L
Ships in 1 day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Installation Kit W/ Exhaust Manifold Studs

ES#2587508 - 06F253039FKT2 - Turbocharger Installation Kit W/ Exhaust Manifold Studs - Includes all gaskets and hardware - Genuine Volkswagen Audi - Audi

Includes all gaskets and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2587508
Mfg#:
06F253039FKT2
Ships in 4 Business Days
$288.99

This product was last offered at the strikethrough price on
02-24-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

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 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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

CTS Turbo B5 A4 High-flow Cat Pipe

ES#4043063 - CTSEXHTP001B5CA - CTS Turbo B5 A4 High-flow Cat Pipe - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4043063
Mfg#:
CTSEXHTP001B5CA
Special Order: No Guaranteed ETA
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#4147623 - 8E0253115D - Exhaust Gasket - Located between the turbo & catalytic converter - Elring - Audi

Located between the turbo & catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4147623
Mfg#:
8E0253115D
In Stock
$8.99

This product was last offered at the strikethrough price on
03-24-2026

$7.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EXHAUST PIPE GASKET

ES#4150679 - 8K0253115J - EXHAUST PIPE GASKET - Ajusa - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
4150679
Mfg#:
8K0253115J
Back Ordered
Auto Notify
$6.99 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

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

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