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Audi S4 Performance Exhaust Parts & Upgrades

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ES#4046053 - Cabspacerkit - Cabriolet Brace Spacer Kit for Performance Exhaust - Allows you to make the room you need to fit most performance exhaust systems on the market. - JH Motorsports  - Audi

Allows you to make the room you need to fit most performance exhaust systems on the market. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cabriolet models only

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046053
Mfg#:
CABSPACERKIT
Ships in 10 Business Days
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes all hardware required to install JHM headers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
5376132
Mfg#:
JHM-B6S-LTH-INST
Ships in 10 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
No longer available
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 25, 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 25, 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 3 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 3 Business Days
$4460.99 USD
Free Shipping
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 3 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 3 Business Days
$3147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Exhaust Parts & Upgrades

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