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Audi S4 Exhaust Parts & Accessories

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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#4351697 - 8W0253725G - V-Band Clamp - Priced Each  - V-Band clamp secures catalytic converter to turbocharger - Does not include gasket (8W0253115G) - Genuine Volkswagen Audi - Audi

V-Band clamp secures catalytic converter to turbocharger - Does not include gasket (8W0253115G) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/01/2021

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4351697
Mfg#:
8W0253725G
In Stock
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$83.99

This product was last offered at the strikethrough price on
06-08-2026

$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858168 - 034-105-A015 - High-Flow Catalyst Installation Hardware/Gasket Kit - Includes everything you need to install or replace your 034Mototorsport High-Flow Catalyst or OEM Catalyst. - 034Motorsport - Audi

Includes everything you need to install or replace your 034Mototorsport High-Flow Catalyst or OEM Catalyst. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858168
Mfg#:
034-105-A015
Ships in 1-3 days
$160.00 USD
Free Shipping
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
ON SALE! SAVE 10%
$399.99

This product was last offered at the strikethrough price on
06-08-2026

$359.99 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
06-08-2026

$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#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11898
Mfg#:
16978
In Stock at Vendor
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4022234 - 4N0133246A - Exhaust Valve Servo Motor - Priced Each - Operates the exhaust valve - Genuine Volkswagen Audi - Audi Volkswagen

Operates the exhaust valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/09/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4022234
Mfg#:
4N0133246A
Ships in 3 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$354.99

This product was last offered at the strikethrough price on
06-08-2026

$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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#3384 - N90778701 - Stud - Priced Each - Install new hardware with your new parts. M10x23.5 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M10x23.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3384
Mfg#:
N90778701
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$9.99

This product was last offered at the strikethrough price on
06-08-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1878317 - N91187001 - Exhaust Manifold Stud - Priced Each - Allows the manifold to be secured to the cylinder head. M8x28 - Genuine Volkswagen Audi - Audi

Allows the manifold to be secured to the cylinder head. M8x28 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1878317
Mfg#:
N91187001
In Stock
$7.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2650716 - EXH005 - Performance Exhaust Hanger - Priced Each - Holds up your exhaust and keeps it from swaying - Powerflex - Audi MINI

Holds up your exhaust and keeps it from swaying affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2650716
Mfg#:
EXH005
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Located underneath the car, before rear mufflers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1834189
Mfg#:
8K0253409AC
Ships in 7 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1215.99

This product was last offered at the strikethrough price on
06-08-2026

$1153.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.

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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