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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Performance Exhaust Parts

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Cat-Back Exhaust System - Non-Resonated Race Version

ES#2827493 - SSXAU376 - Cat-Back Exhaust System - Non-Resonated Race Version - 2.37" stainless steel with quad 100mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm polished tips From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827493
Mfg#:
SSXAU376
Ships in 5 Business Days
$2938.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827394 - SSXAU268 - Cat-Back Exhaust System - Non-Resonated - 2.37" stainless steel with quad 80mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 80mm polished tips Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827394
Mfg#:
SSXAU268
Ships in 5 Business Days
$2844.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827370 - SSXAU240 - Cat-Back Exhaust System - Non-Resonated - 2.37" stainless steel with dual black Cerakote oval tips - Milltek Sport - Audi

2.37" stainless steel with dual black Cerakote oval tips Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827370
Mfg#:
SSXAU240
Ships in 5 Business Days
$2771.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System

ES#4751087 - 008553ECS03EB2KT - Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System - Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser 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#:
4751087
Mfg#:
008553ECS03EB2KT
Ships on Apr 14, 2027
ON SALE! SAVE 28%
$3351.75

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

$2399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Conversion Kit - B8.5 S4/S5 - For 102mm Tips

ES#4044003 - 3815-41010 - AWE Touring Edition Conversion Kit - B8.5 S4/S5 - For 102mm Tips - Looking to bring it down a notch? - AWE - Audi

Looking to bring it down a notch? 2X Entries Into Our F80 M3 Sweepstakes

For vehicles from the 2013 model year (Facelift)

Brand:
AWE - Corporate Logo
ES#:
4044003
Mfg#:
3815-41010
In Stock at Vendor
15% off MSRP

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

$876.99

This product was last offered at the strikethrough price on
09-16-2026

$745.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Install Kit

ES#2576283 - 8K0253115AKT2 - Catalytic Converter Install Kit - Contains all of the hardware you need to install new catalytic converters on your Audi - Assembled By ECS - Audi

Contains all of the hardware you need to install new catalytic converters on your Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2576283
Mfg#:
8K0253115AKT2
In Stock
ON SALE! SAVE 12%
$98.99

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

$86.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" Resonated Half Exhaust System

ES#3969343 - SAU044 - 2.5" Resonated Half Exhaust System - 2.5" half-exhaust built to last with 304 stainless steel and quad polished daytona tips - Scorpion - Audi

2.5" half-exhaust built to last with 304 stainless steel and quad polished daytona tips

Brand:
Scorpion - Corporate Logo
ES#:
3969343
Mfg#:
SAU044
Ships in 2 Business Days
$1741.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM High Flow Downpipe Kit

ES#4505214 - JHM-B8DPPDK - JHM High Flow Downpipe Kit - Catted Downpipes with or without X pipe and with or without Integrated Baffling! - JH Motorsports - Audi

Catted Downpipes with or without X pipe and with or without Integrated Baffling!

Brand:
JH Motorsports - Corporate Logo
ES#:
4505214
Mfg#:
JHM-B8DPPDK
Ships in 10 Business Days
Starting at $0.00 USD
Customize
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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4865887
Mfg#:
053563LA02
In Stock
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

B8 A4 / S4 Direct-Fit Trunk Sound Deadening Kit

ES#4905497 - 056680LA01 - B8 A4 / S4 Direct-Fit Trunk Sound Deadening Kit - Eliminate interior noise and enjoy a quieter, more comfortable ride! Our pre-cut design ensures easy, hassle-free installation. - ECS - Audi

Eliminate interior noise and enjoy a quieter, more comfortable ride! Our pre-cut design ensures easy, hassle-free installation. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4905497
Mfg#:
056680LA01
In Stock
ON SALE! SAVE 84%
$611.99

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

$99.99 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
Ships in 7 Business Days
$332.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Conversion Kit - B8.5 S4/S5 - For 102mm Tips

ES#4044022 - 3820-41008 - AWE Track Edition Conversion Kit - B8.5 S4/S5 - For 102mm Tips - Looking to crank it up a notch? - AWE - Audi

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

For vehicles from the 2013 model year (Facelift)

Brand:
AWE - Corporate Logo
ES#:
4044022
Mfg#:
3820-41008
Ships on Oct 7, 2026
$410.00

This product was last offered at the strikethrough price on
05-11-2026

$395.00 USD
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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