Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B8/B8.5 S5 Quattro V8 4.2L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B8/B8.5 S5 Quattro V8 4.2L
Your Vehicle Audi B8/B8.5 S5 Quattro V8 4.2L
Change Clear

Audi B8/B8.5 S5 Quattro V8 4.2L Performance Exhaust Parts

Sort By
Filter By
Return to Top

Audi B8/B8.5 S5 Valved Cat Back Exhaust

ES#4488029 - 008553ECS02 - Audi B8/B8.5 S5 Valved Cat Back Exhaust - Experience your driving passion with our ECS Valved Exhaust System and control your sound with our valved muffler design - ECS - Audi

Experience your driving passion with our ECS Valved Exhaust System and control your sound with our valved muffler design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4488029
Mfg#:
008553ECS02
In Stock
ON SALE!
Starting at $1185.46 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remote Vacuum Exhaust Valve Control Kit

ES#4883843 - 004788LA01 - Remote Vacuum Exhaust Valve Control Kit - Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers. - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE! SAVE 10%
$99.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Exhaust System - Audi B8 S5 4.2L

ES#4728152 - AWEB8S542 - AWE Track Edition Exhaust System - Audi B8 S5 4.2L - Offers a powerful, raw V8 rumble. Still for the daily driver, this "noticeable" system lets them know you're coming. - AWE - Audi

Offers a powerful, raw V8 rumble. Still for the daily driver, this "noticeable" system lets them know you're coming. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4728152
Mfg#:
AWEB8S542
In Stock
Starting at $1485.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit

ES#4715424 - 044081LA01 - Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit - Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust. - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4715424
Mfg#:
044081LA01
In Stock
ON SALE!
Starting at $57.57 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.36" Downpipes

ES#2827359 - SSXAU223 - 2.36" Downpipes - Post-catalyst system. - Milltek Sport - Audi

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

Brand:
Milltek Sport - Corporate Logo
ES#:
2827359
Mfg#:
SSXAU223
Back Ordered
Auto Notify
$487.99 USD
Free Shipping

AWE Non-Resonated Downpipes - B8 S5 4.2L

ES#4043936 - 3215-11036 - AWE Non-Resonated Downpipes - B8 S5 4.2L - Eliminates an additional set of resonators from the car, to produce a louder and deeper tone to the exhaust note. - AWE - Audi

Eliminates an additional set of resonators from the car, to produce a louder and deeper tone to the exhaust note. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043936
Mfg#:
3215-11036
In Stock at Vendor
$765.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B8 S5 4.2L

ES#4728153 - AWEB8S542TR - AWE Touring Edition Exhaust System - Audi B8 S5 4.2L - The more civilized member of the AWE exhaust suite. In addition to the central muffler from the Track Exhaust, it features an x-pipe and AWE's proprietary 180 Technology resonators. - AWE - Audi

The more civilized member of the AWE exhaust suite. In addition to the central muffler from the Track Exhaust, it features an x-pipe and AWE's proprietary 180 Technology® resonators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4728153
Mfg#:
AWEB8S542TR
Ships on Jun 26, 2026
Starting at $1945.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827315 - SSXAU134 - Cat-Back Exhaust System - Resonated - 2.36" stainless steel with quad GT 80mm polished tips - Milltek Sport - Audi

2.36" stainless steel with quad GT 80mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827315
Mfg#:
SSXAU134
Ships in 3 Business Days
$1723.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Dual Exhaust Tip - Dual 3" - Pair

ES#2974340 - 35229 - Universal Dual Exhaust Tip - Dual 3" - Pair - Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2974340
Mfg#:
35229
Ships in 7 Business Days
$332.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM High Flow Cat Downpipes With X-pipe - Without Integrated Baffle System

ES#4415918 - B8DPXHFC42L - JHM High Flow Cat Downpipes With X-pipe - Without Integrated Baffle System - Built as a direct OEM replacement, these downpipes are designed to increase low-end torque and maximize power throughout the entire RPM band - JH Motorsports - Audi

Built as a direct OEM replacement, these downpipes are designed to increase low-end torque and maximize power throughout the entire RPM band affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Necked down to stock pipe size - To be used with factory exhaust components*

Brand:
JH Motorsports - Corporate Logo
ES#:
4415918
Mfg#:
B8DPXHFC42L
Ships in 10 Business Days
$1499.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827332 - SSXAU190 - Cat-Back Exhaust System - Non-Resonated - 2.36" stainless steel with quad GT 80mm polished tips - Milltek Sport - Audi

2.36" stainless steel with quad GT 80mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827332
Mfg#:
SSXAU190
Ships in 3 Business Days
$1487.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Dual Exhaust Tip - Dual 3" - Left Side

ES#2974339 - 35228 - Universal Dual Exhaust Tip - Dual 3" - Left Side - Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2974339
Mfg#:
35228
Ships in 1 Business Day
$166.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

10mm Exhaust Hanger Locking Collar

ES#4865887 - 053563LA02 - 10mm Exhaust Hanger Locking Collar - Achieve perfect exhaust fitment! - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Achieve perfect exhaust fitment! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4865887
Mfg#:
053563LA02
In Stock
ON SALE! SAVE 10%
$15.99

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

$14.39 USD
Free Shipping
on orders $49 and up
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.

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