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Audi ECS Cat-Back Exhausts

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Audi B8/B8.5 A4 2.0T Non-Resonated Valved Cat-Back Exhaust System - Single Exit Dual 3.5" Tips - Chrome

ES#4020151 - 003353ecs01KT2 - Audi B8/B8.5 A4 2.0T Non-Resonated Valved Cat-Back Exhaust System - Single Exit Dual 3.5" Tips - Chrome - 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4020151
Mfg#:
003353ECS01KT2
In Stock
ON SALE! SAVE 15%
$1172.99

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

$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D4 A8L 4.0T Exhaust

ES#4849834 - 041823LA02 - D4 A8L 4.0T Exhaust - Enhance the exhaust note on your 4.0T with our in-house engineered cat-back! Choose between resonated or non-resonated midpipes to dial in your perfect sound! - ECS - Audi

Enhance the exhaust note on your 4.0T with our in-house engineered cat-back! Choose between resonated or non-resonated midpipes to dial in your perfect sound! 10X Entries Into Our F80 M3 Sweepstakes
Fits pre-facelift models up to the 2014 model year only

Brand:
ECS - Corporate Logo
ES#:
4849834
Mfg#:
041823LA02
In Stock
ON SALE!
Starting at $1863.18 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A5 Sportback / A4 Allroad Valved Catback Exhaust (Non-Resonated) & Luft-Technik Intake System

ES#4876428 - 049075ECS01EBKT - B9 A5 Sportback / A4 Allroad Valved Catback Exhaust (Non-Resonated) & Luft-Technik Intake System - Max gains of +16 WHP and +17 WTQ when paired with ECS Intercooler/charge pipes and a stage 1 tune! - Enthusiast Bundles - Audi

Max gains of +16 WHP and +17 WTQ when paired with ECS Intercooler/charge pipes and a stage 1 tune! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits vehicles up to the 2019 model year WITHOUT MAF sensor - please verify prior to ordering.

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876428
Mfg#:
049075ECS01EBKT
Ships on Apr 14, 2027
ON SALE! SAVE 15%
$2052.96

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

$1749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8v A3 Quattro Valved Catback Exhaust System

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. 10X Entries Into Our F80 M3 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
Starting at $1174.49 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 RS5 Catback Exhaust

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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4752950
Mfg#:
042023LA01
In Stock
ON SALE!
Starting at $1620.38 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Exhaust Resonator Delete Section

ES#4848336 - 008553ECS12-01 - ECS Tuning Exhaust Resonator Delete Section - Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! - ECS - Audi

Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4848336
Mfg#:
008553ECS12-01
In Stock
ON SALE! SAVE 10%
$91.99

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

$82.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8R Q5 3.0T Downpipe Back Exhaust

ES#4691144 - 039732LA01 - Audi B8/8R Q5 3.0T Downpipe Back Exhaust - 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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4691144
Mfg#:
039732LA01
In Stock
ON SALE!
Starting at $1540.18 USD
Customize
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

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

Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System With Downpipes & Resonator Delete Kit

ES#4876129 - 016752LAEBKT - Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System With Downpipes & Resonator Delete Kit - Includes stainless steel valved cat-back section, black billet aluminum tunnel brace, 4" black chrome exhaust tips, and a set of downpipes with resonator deletes! - Enthusiast Bundles - Audi

Includes stainless steel valved cat-back section, black billet aluminum tunnel brace, 4" black chrome exhaust tips, and a set of downpipes with resonator deletes! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876129
Mfg#:
016752LAEBKT
In Stock
ON SALE! SAVE 38%
$2529.91

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

$1568.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System & Luft-Technik Intake System

ES#4751050 - 026018ECSEBKT - Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System & Luft-Technik Intake System - Improve the sound and performance of your vehicle with a valved catback & Luft-Technik Intake System - Enthusiast Bundles - Audi

Improve the sound and performance of your vehicle with a valved catback & 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#:
4751050
Mfg#:
026018ECSEBKT
Ships on Oct 29, 2026
ON SALE! SAVE 23%
$3293.99

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

$2549.99 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

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