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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Performance Exhaust Parts

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Self-Locking Nut - Priced Each

ES#4817 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10 Secures the catalytic converter to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4817
Mfg#:
N90369001
In Stock
31% off MSRP

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

$17.45

This product was last offered at the strikethrough price on
07-08-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Exhaust Tip - 4" - Priced Each

ES#2616757 - 35121 - Universal Exhaust Tip - 4" - Priced Each - Double wall stainless steel. 2.25" inlet, 4" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. 2.25" inlet, 4" outlet.

Brand:
Magnaflow - Corporate Logo
ES#:
2616757
Mfg#:
35121
Back Ordered
$131.00 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 19%
$28.99

This product was last offered at the strikethrough price on
10-28-2026

$23.51 USD
Free Shipping
on orders $49 and up
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

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

$70.99

This product was last offered at the strikethrough price on
10-03-2026

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

GT100 Exhaust Polished Tip - Priced Each

ES#2960900 - MSTIP148 - GT100 Exhaust Polished Tip - Priced Each - 100mm GT style exhaust tip for the left and right side of the vehicle - Milltek Sport - Audi

100mm GT style exhaust tip for the left and right side of the vehicle

Brand:
Milltek Sport - Corporate Logo
ES#:
2960900
Mfg#:
MSTIP148
Ships on Nov 27, 2026
$93.99 USD
Free Shipping
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
In Stock
$12.99 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 18%
$50.99

This product was last offered at the strikethrough price on
06-16-2026

$41.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#4044493 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - HJS - Audi Volkswagen

Seals the downpipe to the catalytic converter

Brand:
HJS - Corporate Logo
ES#:
4044493
Mfg#:
1H0253115
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Jet style Exhaust Polished Tip - Priced Each

ES#2960901 - MSAU298 - Jet style Exhaust Polished Tip - Priced Each - 100mm Jet style exhaust tip for the left or right side of the vehicle - Milltek Sport - Audi

100mm Jet style exhaust tip for the left or right side of the vehicle

Brand:
Milltek Sport - Corporate Logo
ES#:
2960901
Mfg#:
MSAU298
Ships on Nov 27, 2026
$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler Hanger

ES#2568102 - 4B0253144K - Rear Muffler Hanger - Secures the muffler to the vehicle - Vaico - Audi Volkswagen

Secures the muffler to the vehicle We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2568102
Mfg#:
4B0253144K
Ships on Mar 3, 2027
$20.99

This product was last offered at the strikethrough price on
06-12-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Shroud™ - Aluminized Sleeving

ES#2784360 - 010405 - Heat Shroud™ - Aluminized Sleeving - 1" X 3ft - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1" X 3ft

Brand:
DEI - Corporate Logo
ES#:
2784360
Mfg#:
010405
Ships on Nov 30, 2026
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cabriolet Brace Spacer Kit for Performance Exhaust

Allows you to make the room you need to fit most performance exhaust systems on the market. For cabriolet models only

Brand:
JH Motorsports - Corporate Logo
ES#:
4046053
Mfg#:
CABSPACERKIT
Ships in 10 Business Days
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2717942 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - Vaico - Audi Volkswagen

Seals the downpipe to the catalytic converter We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2717942
Mfg#:
1H0253115
Back Ordered
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Exhaust Parts

Performance exhaust systems increase flows to improve throttle response and add power. Designed to reduce back pressure, our large selection of performance exhaust parts and performance exhaust systems is made from premium materials like stainless steel. Many are TIG welded and polished to make them as attractive as they are functional.

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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