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Audi B6 A4 FWD 1.8T

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Audi B6 A4 FWD 1.8T Performance Exhaust Parts

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Remote Vacuum Exhaust Valve Control Kit

ES#4883843 - 004788LA01 - Remote Vacuum Exhaust Valve Control Kit - Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers. - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers. 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE! SAVE 10%
$100.99

This product was last offered at the strikethrough price on
06-13-2026

$90.89 USD
Free Shipping
on orders $49 and up
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 For Our 25th Anniversary 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

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

Brand:
034Motorsport - Corporate Logo
ES#:
2864552
Mfg#:
034-105-4021
Ships in 2 Business Days
$474.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 For Our 25th Anniversary 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

CTS Turbo B6 A4 High-flow Cat Pipe

ES#4043061 - CTSEXHTP0002B6CA - CTS Turbo B6 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

Brand:
CTS - Corporate Logo
ES#:
4043061
Mfg#:
CTSEXHTP0002B6CA
In Stock
ON SALE! SAVE 10%
$249.99

This product was last offered at the strikethrough price on
07-10-2026

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Dual Exhaust Tip - Dual 3" - Pair

ES#2974340 - 35229 - Universal Dual Exhaust Tip - Dual 3" - Pair - Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.

Brand:
Magnaflow - Corporate Logo
ES#:
2974340
Mfg#:
35229
Back Ordered
$332.00 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

Brand:
034Motorsport - Corporate Logo
ES#:
2864553
Mfg#:
034-105-9000
Ships in 5 Business Days
$345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Installation Kit

ES#3028723 - 8D0253115KT3 - Catalytic Converter Installation Kit - Includes the necessary hardware and gaskets to install the catalytic converter - Assembled By ECS - Audi Volkswagen

Includes the necessary hardware and gaskets to install the catalytic converter 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3028723
Mfg#:
8D0253115KT3
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

10mm Exhaust Hanger Locking Collar

ES#4865887 - 053563LA02 - 10mm Exhaust Hanger Locking Collar - Achieve perfect exhaust fitment! - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Achieve perfect exhaust fitment! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4865887
Mfg#:
053563LA02
Ships on Sep 9, 2026
Auto Notify
ON SALE! SAVE 10%
$16.99

This product was last offered at the strikethrough price on
06-13-2026

$15.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust

ES#1892704 - 16600 - Cat-Back Exhaust - 2.25" stainless steel with dual 4" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 4" polished stainless tips

Brand:
Magnaflow - Corporate Logo
ES#:
1892704
Mfg#:
16600
Back Ordered
$1360.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Dual Exhaust Tip - Dual 3" - Right side

ES#2974338 - 35227 - Universal Dual Exhaust Tip - Dual 3" - Right side - Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Magnaflow - Corporate Logo
ES#:
2974338
Mfg#:
35227
Ships in 2 Business Days
$166.00 USD
Free Shipping
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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