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Audi A4 Performance Exhaust Parts

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AWE Touring to Track Conversion Kit - B9 A4/A5

ES#4044017 - 3820-31002 - AWE Touring to Track Conversion Kit - B9 A4/A5 - Looking to crank it up a notch? - AWE - Audi

Looking to crank it up a notch? 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4044017
Mfg#:
3820-31002
In Stock
5% off MSRP

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

$352.99

This product was last offered at the strikethrough price on
09-20-2026

$335.00 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 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

Audi B8/B8.5 A4 2.0T Non-Resonated Non-Valved Cat-Back Exhaust System & Luft-Technik Intake System

ES#4751092 - 003353ECS01EBKT - Audi B8/B8.5 A4 2.0T Non-Resonated Non-Valved Cat-Back Exhaust System & Luft-Technik Intake System - Enhance the sound and performance of your A4 with our Valved Cat-Back and a Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your A4 with our Valved Cat-Back and a Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751092
Mfg#:
003353ECS01EBKT
In Stock
ON SALE! SAVE 35%
$1388.42

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

$899.00 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

Performance Stainless 2.5" Downpipe

ES#3175272 - 251127R - 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 Fits automatic transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175272
Mfg#:
251127R
In Stock
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5 4" Direct-Fit Exhaust Tips - Black Chrome - Pair

ES#3476949 - 019490ecs01KT - B9 A4/A5 4" Direct-Fit Exhaust Tips - Black Chrome - Pair - A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary - ECS - Audi

A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3476949
Mfg#:
019490ECS01KT
Ships on Oct 13, 2026
ON SALE!
$167.98

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

$162.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 2.0T Valved Exhaust System - Cat Back

ES#4488077 - 021275ECS01 - Audi B9 A4 2.0T Valved Exhaust System - Cat Back - Max gains of +16 WHP and +17 WTQ on our B9 A4 equipped with a Luft-Technik intake, ECS Intercooler/charge pipes, and a stage 1 tune! - ECS - Audi

Max gains of +16 WHP and +17 WTQ on our B9 A4 equipped with a Luft-Technik intake, ECS Intercooler/charge pipes, and a stage 1 tune! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4488077
Mfg#:
021275ECS01
Ships on Nov 13, 2026
ON SALE!
Starting at $1156.67 USD
Customize
Free Shipping
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

Cat-Back Exhaust System - Dual Exit Single Tips

ES#2848070 - CTSEXHCB0013 - Cat-Back Exhaust System - Dual Exit Single Tips - 2.5" stainless steel with dual 3" polished stainless tips - CTS - Audi

2.5" stainless steel with dual 3" polished stainless tips

Brand:
CTS - Corporate Logo
ES#:
2848070
Mfg#:
CTSEXHCB0013
Ships in 7 Business Days
$1099.99 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.

Let us help you find the parts that fit your Audi

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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