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Audi A4 Performance Exhaust Parts

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B8 2.0T T304 Stainless Steel 3.0" Downpipe

ES#4820845 - 021617ecs02KT1 - B8 2.0T T304 Stainless Steel 3.0" Downpipe - Let your engine breathe and growl with our high flow 3.0" stainless steel downpipe! - ECS - Audi

Let your engine breathe and growl with our high flow 3.0" stainless steel downpipe! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4820845
Mfg#:
021617ECS02KT1
In Stock
ON SALE!
$339.99

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

$309.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2972519 - EXH-TDP-004-B8HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2972519
Mfg#:
EXH-TDP-004-B8HF
Back Ordered
Auto Notify
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 T304 Stainless Steel 3.0" Downpipe

ES#3690264 - 021616ecs01KT - B9 T304 Stainless Steel 3.0" Downpipe - Let your engine breathe and growl with our front resonator delete! - ECS - Audi

Let your engine breathe and growl with our front resonator delete! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3690264
Mfg#:
021616ECS01KT
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 30%
$499.99

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

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 2.0T Center Resonator Delete Pipe

ES#3546964 - 023503ecs01KT - B8 2.0T Center Resonator Delete Pipe - Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! - ECS - Audi

Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3546964
Mfg#:
023503ECS01KT
In Stock
ON SALE! SAVE 25%
$330.99

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

$247.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4020150 - 003353ecs01KT1 - Audi B8/B8.5 A4 2.0T Non-Resonated Valved Cat-Back Exhaust System - Single Exit Dual 3.5" Tips - Black 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4020150
Mfg#:
003353ECS01KT1
Ships on Jul 20, 2026
Auto Notify
ON SALE! SAVE 10%
$1149.99

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

$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 2.0T Cat Back Exhaust System - Automatic Transmission

ES#4830706 - 010076ECS02 - Audi B7 A4 2.0T Cat Back Exhaust System - Automatic Transmission - Includes downpipe, y-pipe, mid-pipe, muffler, and all hardware needed - ECS - Audi

Includes downpipe, y-pipe, mid-pipe, muffler, and all hardware needed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits vehicles with automatic transmission only

Brand:
ECS - Corporate Logo
ES#:
4830706
Mfg#:
010076ECS02
Ships on Jul 6, 2026
ON SALE!
Starting at $699.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back

ES#4703829 - 049103LA01 - Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back - 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!
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4703829
Mfg#:
049103LA01
Ships on Jul 20, 2026
ON SALE!
Starting at $928.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Audi B8 A4/Allroad 2.0T Dual Exit Non Valved Cat Back Exhaust System

ES#4708429 - 049047ECS - Build Your Own Audi B8 A4/Allroad 2.0T Dual Exit Non Valved Cat Back Exhaust System - Maximum Turbo Back gains of +27 WHP and +46 WTQ of torque when equipped with APR Stage 2 ECU software and ECS Luft-Technik Intake, FMIC and Charge Pipes - ECS - Audi

Maximum Turbo Back gains of +27 WHP and +46 WTQ of torque when equipped with APR Stage 2 ECU software and ECS Luft-Technik Intake, FMIC and Charge Pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4708429
Mfg#:
049047ECS
In Stock
ON SALE!
Starting at $903.49 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Audi B8 A4 2.0T Dual Exit Valved Cat Back Exhaust System

ES#4487999 - 003353ECS02 - Build Your Own Audi B8 A4 2.0T Dual Exit Valved Cat Back Exhaust System - Maximum Turbo Back gains of +27 WHP and +46 WTQ of torque when equipped with APR Stage 2 ECU software and ECS Luft-Technik Intake, FMIC and Charge Pipes - ECS - Audi

Maximum Turbo Back gains of +27 WHP and +46 WTQ of torque when equipped with APR Stage 2 ECU software and ECS Luft-Technik Intake, FMIC and Charge Pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4487999
Mfg#:
003353ECS02
In Stock
ON SALE!
Starting at $1147.88 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6 A4 1.8T Exhaust System - Cat Back

ES#4505667 - 016837ECS - Audi B6 A4 1.8T Exhaust System - Cat Back - Downpipe & Catback along with your choice of exhaust tips and more! - ECS - Audi

Downpipe & Catback 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 5 and 6 speed manual transmissions only

Brand:
ECS - Corporate Logo
ES#:
4505667
Mfg#:
016837ECS
In Stock
ON SALE!
Starting at $899.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 2.0T Cat Back Exhaust System - Manual Transmission

ES#4487916 - 010076ECS - Audi B7 A4 2.0T Cat Back Exhaust System - Manual Transmission - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi

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!
Fits vehicles with manual transmission only

Brand:
ECS - Corporate Logo
ES#:
4487916
Mfg#:
010076ECS
In Stock
ON SALE!
Starting at $699.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" High Flow Catalytic Converter

ES#2960018 - 034-105-4023 - 3.5" 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2960018
Mfg#:
034-105-4023
In Stock
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/A5 2.0T Center Resonator Delete

ES#3576157 - 023492ecs01KT - Audi B9 A4/A5 2.0T Center Resonator Delete - Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! Deletes rear-most resonator. - ECS - Audi

Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! Deletes rear-most resonator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3576157
Mfg#:
023492ECS01KT
In Stock
ON SALE! SAVE 14%
$347.99

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

$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Audi B8 A4 2.0T Single Exit Valved Cat Back Exhaust System

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
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe w/ High Flow Cat

ES#4045995 - B820THFCPipe - 3" Downpipe w/ High Flow Cat - Replace your factory downpipe with this upgraded JHM high flow cat! - JH Motorsports - Audi

Replace your factory downpipe with this upgraded JHM high flow cat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4045995
Mfg#:
B820THFCPIPE
Ships in 2 Business Days
$524.99 USD
Free Shipping
on orders $49 and up
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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