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Audi ECS Performance Cat-Back Exhausts

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ES#4876874 - 012390LA - Audi B7 S4 Catback Exhaust - Choose your own configuration along with your choice of exhaust tips and more! - ECS - Audi

Choose your own configuration along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4876874
Mfg#:
012390LA
Back Ordered
ON SALE!
Starting at $805.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4841927 - 044165la07KT - C8 RS6 / RS7 Race Cat-Back Exhaust System - Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T! - ECS - Audi

Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4841927
Mfg#:
044165LA07KT
In Stock
ON SALE! SAVE 20%
$2243.99

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

$1795.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4487995 - 003353ECS - Build Your Own Audi B8 A4 2.0T Single Exit Valved Cat Back Exhaust System - Choose your own configuration along with your choice of exhaust tips and more! - ECS - Audi

Choose your own configuration along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4487995
Mfg#:
003353ECS
Ships on Aug 3, 2026
ON SALE!
Starting at $700.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4660698 - 012767LA02 - C7 RS7 Cat Back Valved Exhaust - Experience your driving passion with our ECS Valved Exhaust System! - ECS - Audi

Experience your driving passion with our ECS Valved Exhaust System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4660698
Mfg#:
012767LA02
In Stock
ON SALE!
Starting at $1415.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4759973 - 008553ECS03 - Build Your Own Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust System - Titanium  - Experience your driving passion with our ECS Valved Exhaust System and control your sound with our valved muffler design - ECS - Audi

Experience your driving passion with our ECS Valved Exhaust System and control your sound with our valved muffler design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4759973
Mfg#:
008553ECS03
In Stock
ON SALE!
Starting at $2818.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4709157 - 039732LA02 - Audi B8/8R SQ5 Downpipe Back Exhaust - Valved - Choose between Resonated or Non Resonated configurations along with your choice of exhaust tips and more! - ECS - Audi

Choose between Resonated or Non Resonated configurations along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4709157
Mfg#:
039732LA02
In Stock
ON SALE!
Starting at $1714.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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 $1152.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4756568 - 041486ECS01 - Audi B6 S4 Catback Exhaust - Choose your own configuration along with your choice of exhaust tips and more! - ECS - Audi

Choose your own configuration along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For Sedan models only.

Brand:
ECS - Corporate Logo
ES#:
4756568
Mfg#:
041486ECS01
In Stock
ON SALE!
Starting at $709.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3619908 - 008553ecs01KT - Audi B8/8.5 S4 Valved Exhaust System - Resonated With 4" Chrome Swivel Tips - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi
ECS Tuning recommends this product.

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3619908
Mfg#:
008553ECS01KT
In Stock
ON SALE! SAVE 25%
$2149.99

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

$1612.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4830334 - 049089la01KT - 8V RS3 Valved Cat-Back Exhaust System - Elevate your driving passion with an engaging, performance-oriented valved exhaust system for your DAZA-equipped 8V RS3! - ECS - Audi

Elevate your driving passion with an engaging, performance-oriented valved exhaust system for your DAZA-equipped 8V RS3! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4830334
Mfg#:
049089LA01KT
In Stock
ON SALE! SAVE 16%
$1657.99

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

$1399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4752950 - 042023LA01 - Audi B8.5 RS5 Catback Exhaust - Choose between Resonated or Non Resonated configurations on the downpipes and catback! - ECS - Audi

Choose between Resonated or Non Resonated configurations on the downpipes and catback! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4752950
Mfg#:
042023LA01
Ships on Oct 29, 2026
ON SALE!
Starting at $1587.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4830333 - 049530la02KT - 8V RS3 Race Exhaust System - Performance Catback Exhaust for pure unrestricted power and sound. This exhaust takes out all of the stop gates and pairs with the 2.5T for an iconic driving experience. - ECS - Audi

Performance Catback Exhaust for pure unrestricted power and sound. This exhaust takes out all of the stop gates and pairs with the 2.5T for an iconic driving experience. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4830333
Mfg#:
049530LA02KT
In Stock
ON SALE!
$1105.99

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

$1072.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4727040 - 041866LA01 - Audi B9 RS5 Catback Exhaust - Enhance the exhaust note on your RS5's exhaust system with our valved cat back exhaust system! - ECS - Audi

Enhance the exhaust note on your RS5's exhaust system with our valved cat back exhaust system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4727040
Mfg#:
041866LA01
In Stock
ON SALE!
Starting at $1393.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4431063 - 015517LA - 8v A3 Quattro Valved Catback Exhaust System  - In-house engineered for Audi A3 enthusiasts! Featuring T304 SS Tig-welded 3.0" tubing, a center resonator and a valved muffler assembly. - ECS - Audi

In-house engineered for Audi A3 enthusiasts! Featuring T304 SS Tig-welded 3.0" tubing, a center resonator and a valved muffler assembly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits both pre and post facelift sedan models. Now available in LOUDER non-resonated variant!

Brand:
ECS - Corporate Logo
ES#:
4431063
Mfg#:
015517LA
Ships on Oct 29, 2026
ON SALE!
Starting at $1151.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4698873 - 041750LA - B5 S4 Valved or Non-Valved Cat Back Exhaust - Experience your driving passion with our ECS Exhaust System! - ECS - Audi

Experience your driving passion with our ECS Exhaust System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits both Sedan and Avant

Brand:
ECS - Corporate Logo
ES#:
4698873
Mfg#:
041750LA
In Stock
ON SALE!
Starting at $498.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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