Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi S4 Performance Exhaust Parts

Sort By
Filter By
Return to Top
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#4164713 - B6S4RESONATED - Cat-Back Exhaust System - Resonated - 2.25" stainless steel with your choice of tip style - Milltek Sport - Audi

2.25" 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#:
4164713
Mfg#:
B6S4RESONATED
Back Ordered
Starting at $1685.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1892708 - 16586 - Cat-Back Exhaust System - 2.5" stainless steel with dual 4" polished stainless tips - Magnaflow - Audi

2.5" stainless steel with dual 4" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
1892708
Mfg#:
16586
Back Ordered
$1646.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4499569 - CTS-EXH-TP-0019 - CTS Resonator Delete Kit - Get all the benefits of using this resonator delete without the high price tag. - CTS - Audi

Get all the benefits of using this resonator delete without the high price tag. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4499569
Mfg#:
CTS-EXH-TP-0019
Ships in 7 Business Days
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" stainless steel downpipes made in one piece, stopping those pesky leaks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with manual transmission only.

Brand:
JH Motorsports  - Corporate Logo
ES#:
4638076
Mfg#:
JHM-251
Ships in 10 Business Days
$1528.99 USD
This product is lifetime replacement eligible Lifetime Replacement
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? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-06-2026

$745.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164715 - B6S4NONRESONATED - Cat-Back Exhaust System - Non-Resonated - 2.25" stainless steel with your choice of tip style - Milltek Sport - Audi

2.25" 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#:
4164715
Mfg#:
B6S4NONRESONATED
Ships in 3 Business Days
Starting at $1486.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3644159 - 777512 - Performance Downpipe Kit - Non-Resonated  - T304 Stainless Steel high flow front pipe kit replaces factory secondary catalytic converters - Supersprint - Audi

T304 Stainless Steel high flow front pipe kit replaces factory secondary catalytic converters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3644159
Mfg#:
777512
Ships in 3 Business Days
$1466.99 USD
Free Shipping
ES#3107254 - 14902 - Performance Cat-Back Exhaust System - 3" stainless steel with dual 4.63" polished stainless tips - Borla - Audi

3" stainless steel with dual 4.63" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Borla - Corporate Logo
ES#:
3107254
Mfg#:
14902
In Stock at Vendor
$1289.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5457438 - UVM.89MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457438
Mfg#:
UVM.89MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#3053941 - 764403 - Supersprint Center Section - Resonated - Left and right side resonated center section - To be installed with connecting pipes 764422 - Supersprint - Audi

Left and right side resonated center section - To be installed with connecting pipes 764422 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3053941
Mfg#:
764403
Ships on Sep 9, 2026
$919.99 USD
Free Shipping
ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock at Vendor
Starting at $29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3426977 - SSXAU677 - Active Valve Control System - Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems - Milltek Sport - Audi

Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3426977
Mfg#:
SSXAU677
Ships in 3 Business Days
$809.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044021 - 3820-41006 - AWE Track Edition Conversion Kit - B8/B8.5 S4/S5 - For 90mm Tips - 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#:
4044021
Mfg#:
3820-41006
Ships on Jun 26, 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
ES#3054021 - 764422 - Supersprint Center Section Connecting Pipes  - Left and right side connecting pipes center section - To be installed with 764403 or 764413 - Supersprint - Audi

Left and right side connecting pipes center section - To be installed with 764403 or 764413 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3054021
Mfg#:
764422
Ships on Sep 9, 2026
$702.00 USD
Free Shipping

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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings