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Audi A4 Performance Exhaust Parts

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Resonator Delete Kit

ES#4830681 - CTS-EXH-TP-0011 - Resonator Delete Kit - Installing this part allows for a subtle exhaust sound increase on your factory exhaust - CTS - Audi

Installing this part allows for a subtle exhaust sound increase on your factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4830681
Mfg#:
CTS-EXH-TP-0011
Back Ordered
Auto Notify
$179.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits automatic transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175272
Mfg#:
251127R
Ships in 1-2 days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3-inch Downpipe With High Flow Catalytic Converter

ES#4362343 - UH014-EXA - 3-inch Downpipe With High Flow Catalytic Converter - Featuring 3-inch T304 Stainless Steel Mandrel Bent Tubing - Unitronic - Audi

Featuring 3-inch T304 Stainless Steel Mandrel Bent Tubing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4362343
Mfg#:
UH014-EXA
In Stock
ON SALE! SAVE 10%
$1099.99

This product was last offered at the strikethrough price on
05-21-2026

$989.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864552
Mfg#:
034-105-4021
Ships in 3 Business Days
$474.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4044017
Mfg#:
3820-31002
In Stock
$335.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B7 A4 2.0T Cat-Back Exhaust System - Resonated

ES#2827262 - SSXAU049 - B7 A4 2.0T Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual Jet 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual Jet 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827262
Mfg#:
SSXAU049
Ships in 6 Business Days
$1837.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B8/B8.5 A4 2.0T

ES#4726274 - AWEB8A420TR - AWE Touring Edition Exhaust System - Audi B8/B8.5 A4 2.0T - Remarkably civil while idling/part throttle cruising, but unleashed at full throttle produces what some have called a war-cry wail. Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Remarkably civil while idling/part throttle cruising, but unleashed at full throttle produces what some have called a “war-cry wail.” Features AWE's proprietary 180 Technology® resonators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4726274
Mfg#:
AWEB8A420TR
Ships on Jun 24, 2026
Starting at $1225.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#3449953 - CTSEXHTP0006-CAT - 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
For vehicles up through 2020

Brand:
CTS - Corporate Logo
ES#:
3449953
Mfg#:
CTSEXHTP0006-CAT
Back Ordered
$279.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175269 - 251126 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only - To be used with 2.5" aftermarket exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175269
Mfg#:
251126
Ships in 6 Business Days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat-Back Exhaust System - single exit

ES#3107016 - 140315 - Performance Cat-Back Exhaust System - single exit - 2.5" stainless steel with dual 3.5" polished stainless tips - Borla - Audi

2.5" stainless steel with dual 3.5" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Borla - Corporate Logo
ES#:
3107016
Mfg#:
140315
In Stock at Vendor
$1427.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B6 A4 High-flow Cat Pipe

ES#4043061 - CTSEXHTP0002B6CA - CTS Turbo B6 A4 High-flow Cat Pipe - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4043061
Mfg#:
CTSEXHTP0002B6CA
Ships in 8 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

2.76" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159433
Mfg#:
B9A4RESONATED
Ships in 3 Business Days
Starting at $2411.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#4004062 - CTS-EXH-CB-0019 - Cat-Back Exhaust System - 3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips - CTS - Audi

3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
CTS - Corporate Logo
ES#:
4004062
Mfg#:
CTS-EXH-CB-0019
Ships in 8 Business Days
$1199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827376 - SSXAU249 - Cat-Back Exhaust System - Resonated - 2.76" stainless steel with quad GT100 polished tips - Milltek Sport - Audi

2.76" stainless steel with quad GT100 polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827376
Mfg#:
SSXAU249
Ships in 4 Business Days
$2310.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat-Back Exhaust - Resonated

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159532
Mfg#:
B8A4RESONATED
Ships in 3 Business Days
Starting at $2280.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Exhaust Parts

Let them hear you coming with a quality performance exhaust setup. All the best exhaust brands including our in-house developed line of stainless steel exhaust upgrades are here in our expansive catalog of performance options.

Let us help you find the parts that fit your Audi

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