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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Exhaust Parts & Accessories

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Exhaust Gasket

ES#2804194 - 8D0253115 - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Vaico - Audi Volkswagen

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

Brand:
Vaico - Corporate Logo
ES#:
2804194
Mfg#:
8D0253115
In Stock
$5.99

This product was last offered at the strikethrough price on
04-09-2026

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#319085 - 1K0998262D - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319085
Mfg#:
1K0998262D
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.

$449.99

This product was last offered at the strikethrough price on
06-10-2026

$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler Hanger

ES#251037 - 4B0253144K - 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 rear right position

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251037
Mfg#:
4B0253144K
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.

$64.99

This product was last offered at the strikethrough price on
06-10-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#1853396 - 1K0998262 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853396
Mfg#:
1K0998262
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.

$374.99

This product was last offered at the strikethrough price on
06-10-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#263525 - 8D0253115 - Exhaust Gasket - Seals the turbocharger to the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263525
Mfg#:
8D0253115
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.

$70.99

This product was last offered at the strikethrough price on
06-10-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Mounting Bolt - Priced Each

ES#3236275 - 058145540 - Turbo Mounting Bolt - Priced Each - M10x50 - Secures the turbocharger to the manifold - Victor Reinz - Audi Volkswagen

M10x50 - Secures the turbocharger to the manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3236275
Mfg#:
058145540
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

66.5MM Exhaust Clamp - Priced Each

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 in 9 Business Days
Auto Notify
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.0" Stainless Steel 3-Bolt Flange - Priced Each

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

Catalytic Converter Kit

ES#2586344 - 8E0131089DXKT - Catalytic Converter Kit - Includes related hardware and gaskets - Assembled By ECS - Audi

Includes related hardware and gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not legal for sale or use in the state of New York or California

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586344
Mfg#:
8E0131089DXKT
Back Ordered
$308.99

This product was last offered at the strikethrough price on
01-03-2026

$286.99 USD
Free Shipping
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

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 Jul 2, 2026
$275.00 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

Allen Bolt (5mm) - Priced Each

ES#2770514 - N01474011 - Allen Bolt (5mm) - Priced Each - Stainless steel for extra corrosion resistance. M6x16 - ECS - Audi Volkswagen

Stainless steel for extra corrosion resistance. M6x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code ATW. Secures the connecting pipe to the EGR valve

Brand:
ECS - Corporate Logo
ES#:
2770514
Mfg#:
N01474011
In Stock
ON SALE! SAVE 25%
$0.99

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

$0.74 USD
Free Shipping
on orders $49 and up
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
We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM

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

Oxygen Sensor - Priced Each

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

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!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
1558
Mfg#:
021906265AG
In Stock at Vendor
$127.99

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

$123.99 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.

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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