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Audi S4 Performance Exhaust Parts

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ES#4751086 - 041750LA01EBKT - B5 S4 Valved Cat Back Exhaust & Street Shield Aluminum Skid Plate Kit - Enhance the sound of your vehicle and keep it safe with a Street Shield Aluminum Skid Plate Kit - Enthusiast Bundles - Audi

Enhance the sound of your vehicle and keep it safe with a Street Shield Aluminum Skid Plate Kit Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751086
Mfg#:
041750LA01EBKT
In Stock
ON SALE! SAVE 14%
$1675.99

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

$1449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4876621 - 041750LAEBKT - B5 S4 Non-Valved Exhaust System & Street Shield Aluminum Skid Plate Kit - Enhance your vehicle's sound and protect vital engine componentry! - Enthusiast Bundles - Audi

Enhance your vehicle's sound and protect vital engine componentry! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876621
Mfg#:
041750LAEBKT
In Stock
ON SALE! SAVE 45%
$1448.97

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

$796.93 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5425636 - 053829LA0102sd - B8 3.0T Free-Flow "Shorty" Exhaust Headers *Scratch And Dent* - Scratch & Dent - Audi

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5425636
Mfg#:
053829LA0102SD
In Stock
ON SALE! SAVE 24%
$1019.99

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

$778.99 USD
Free Shipping
on orders $49 and up
ES#5388529 - 030456LA01sd - Audi B5 A4/S4 B6/B7 A4/S4 Skid Plate Assembly *Scratch And Dent* - Scratch & Dent - Audi

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5388529
Mfg#:
030456LA01SD
In Stock
ON SALE! SAVE 22%
$385.99

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

$299.99 USD
ES#5375603 - SSXAU701 - Cat-Back Exhaust System - Non-Resonated (Louder) *Scratch And Dent* - ***S&D NOTE: Only contains two mufflers - Sold As Is - See photos prior to ordering - ALL SALES FINAL*** - Scratch & Dent - Audi

***S&D NOTE: Only contains two mufflers - Sold As Is - See photos prior to ordering - ALL SALES FINAL*** ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5375603
Mfg#:
SSXAU701
In Stock
ON SALE! SAVE 13%
$3075.00

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

$2679.99 USD
Scratch and Dent Item

*Scratch And Dent*

ES#4905804 - 034-105-7051 - *Scratch And Dent* - Transform your exhaust note - Scratch & Dent - Audi

Transform your exhaust note ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
4905804
Mfg#:
034-105-7051
In Stock
ON SALE! SAVE 12%
$430.00

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

$378.40 USD
ES#4727527 - AWEB9S4SP - AWE SwitchPath Exhaust System - Audi B9 S4 3.0T - Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections. - AWE - Audi

Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727527
Mfg#:
AWEB9S4SP
Ships on Jun 23, 2026
Starting at $3625.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4727525 - AWEB9S4TR - AWE Touring Edition Exhaust System - Audi B9 S4 3.0T - Removes the factory valving and replaces it with AWEs 180 Technology drone-cancelling resonators and resonated downpipes. - AWE - Audi

Removes the factory valving and replaces it with AWE’s 180 Technology® drone-cancelling resonators and resonated downpipes. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727525
Mfg#:
AWEB9S4TR
Ships on Jun 24, 2026
Starting at $2775.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4883642 - IEEXCG3 - IE Catback Exhaust System - B8 S4 - Features dual 2.5 tubing, 90mm quad tips, and iE's DroneTrap technology - Integrated Engineering - Audi

Features dual 2.5” tubing, 90mm quad tips, and iE's DroneTrap technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4883642
Mfg#:
IEEXCG3
Ships in 4 Business Days
$2089.99 USD
Free Shipping
ES#3245430 - SSXAU556 - Cat-Back Exhaust System - Resonated - 2.37" stainless steel with quad 80mm GT80 black Cerakote tips - Milltek Sport - Audi

2.37" stainless steel with quad 80mm GT80 black Cerakote tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
3245430
Mfg#:
SSXAU556
Ships in 4 Business Days
$3481.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827524 - SSXAU407 - Cat-Back Exhaust System - Valvesonic - 2.37" stainless steel with quad 100mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Designed for professional installation only - Setup/configuration must be completed at a Milltek Sport authorized dealer*
From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827524
Mfg#:
SSXAU407
Ships in 4 Business Days
$4460.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557478 - MSAU292 - Rear Silencer - Left - Left side rear silencer with twin 76.2mm exhaust tips - Milltek Sport - Audi

Left side rear silencer with twin 76.2mm exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3557478
Mfg#:
MSAU292
Ships in 4 Business Days
$356.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3236155 - SSXAU649 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.50" stainless steel with quad Cerakote black velvet oval tips - Milltek Sport - Audi

2.50" stainless steel with quad Cerakote black velvet oval tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models without factory rear sports differential
For vehicles without a sport differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3236155
Mfg#:
SSXAU649
Ships in 4 Business Days
$4236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3137837 - SSXAU557 - Cat-Back Exhaust System - Non-Resonated Race Version - 2.37" stainless steel with quad 80mm black Cerakote tips - Milltek Sport - Audi

2.37" stainless steel with quad 80mm black Cerakote tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
3137837
Mfg#:
SSXAU557
Ships in 4 Business Days
$3147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557479 - MSAU293 - Rear Silencer - Right - Right side rear silencer with twin 76.2mm exhaust tips - Milltek Sport - Audi

Right side rear silencer with twin 76.2mm exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used with cat-back systems SSXAU046 & SSXAU048

Brand:
Milltek Sport - Corporate Logo
ES#:
3557479
Mfg#:
MSAU293
Ships in 4 Business Days
$356.99 USD
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

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Manufacturer names and/or part numbers are used only for identification purposes.

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