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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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Dual Clamp Exhaust Sleeve - Priced Each

ES#2702394 - 1K0253141M - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - Rein - Audi Volkswagen

Quiet down your leaking exhaust. 55mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Secures the center muffler to the rear muffler up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Rein - Corporate Logo
ES#:
2702394
Mfg#:
1K0253141M
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2864552 - 034-105-4021 - 3" High Flow Catalytic Converter - complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

complete drop-in upgrade will bolt up to stock/Stock Fit Turbo 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864552
Mfg#:
034-105-4021
In Stock
$474.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Installation Kit

ES#2575944 - N0444115HWKT-1 - Exhaust Manifold Installation Kit - Includes the necessary hardware and gasket to install the manifold - Assembled By ECS - Audi Volkswagen

Includes the necessary hardware and gasket to install the manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575944
Mfg#:
N0444115HWKT-1
In Stock
ON SALE! SAVE 15%
$158.99

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

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2539127 - 1K0998262D - 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!

Brand:
Bosch - Corporate Logo
ES#:
2539127
Mfg#:
1K0998262D
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dual Clamp Exhaust Sleeve - Priced Each

ES#3023 - 357253141A - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - HJS - Audi Volkswagen

Quiet down your leaking exhaust. 55mm Secures the downpipe to the center muffler

Brand:
HJS - Corporate Logo
ES#:
3023
Mfg#:
357253141A
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175519 - 252561M - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler For use with factory downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175519
Mfg#:
252561M
Ships in 9 Business Days
$687.99 USD

Self-Locking Nut - Priced Each

ES#2588753 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10x1.5 - Rein - Audi BMW Volkswagen

Install new hardware with your new parts. M10x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Secures the catalytic converter to the turbocharger

Brand:
Rein - Corporate Logo
ES#:
2588753
Mfg#:
N90369001
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#8367 - 1K0998262 - 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!

Brand:
Bosch - Corporate Logo
ES#:
8367
Mfg#:
1K0998262
In Stock
$105.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter

ES#10210 - 8E0131089DXkt - Remanufactured Catalytic Converter - Price includes a $910.00 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Price includes a $910.00 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10210
Mfg#:
8E0131089DXKT
Ships in 7 Business Days
$2421.99

This product was last offered at the strikethrough price on
08-09-2026

$2403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Longitudinal High Flow Exhaust Manifold

ES#2864553 - 034-105-9000 - Longitudinal High Flow Exhaust Manifold - Stock fit high flow manifold - 034Motorsport - Audi

Stock fit high flow manifold 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864553
Mfg#:
034-105-9000
Back Ordered
$345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175521 - 252561TM - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175521
Mfg#:
252561TM
Ships in 8 Business Days
$687.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Mounting Bolt - Priced Each

ES#1589 - 058145540 - Turbo Mounting Bolt - Priced Each - M10x50 - Secures the turbocharger to the manifold - Genuine Volkswagen Audi - Audi Volkswagen

M10x50 - Secures the turbocharger to the manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1589
Mfg#:
058145540
Ships in 9 Business Days
23% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
09-12-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Clamp Exhaust Sleeve - Priced Each

ES#2882479 - 1K0253141M - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - Vaico - Audi Volkswagen

Quiet down your leaking exhaust. 55mm We Price Match - Give Us A Call or Chat!
Secures the center muffler to the rear muffler up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Vaico - Corporate Logo
ES#:
2882479
Mfg#:
1K0253141M
In Stock
$30.99

This product was last offered at the strikethrough price on
06-02-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11898
Mfg#:
16978
Ships in 1 Business Day
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175307 - 251229 - 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 Fits quattro manual transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175307
Mfg#:
251229
Ships in 7 Business Days
$275.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Washer - Priced Each

ES#5291 - n90357201 - Exhaust Manifold Washer - Priced Each - Used in securing the exhaust manifold to the cylinder head. 8.4x17x4 - Genuine Volkswagen Audi - Audi Volkswagen

Used in securing the exhaust manifold to the cylinder head. 8.4x17x4

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5291
Mfg#:
N90357201
In Stock
3% off MSRP

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

$7.30

This product was last offered at the strikethrough price on
09-12-2026

$7.08 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.

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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