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Audi B8 RS5 4.2L

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Audi B8 RS5 4.2L Performance Exhaust Parts & Upgrades

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RS5 Center X-Pipe Kit

ES#3194905 - 004032ecs01KT - RS5 Center X-Pipe Kit - Eliminate the center resonator on your OE system for a more aggressive exhaust note - ECS - Audi

Eliminate the center resonator on your OE system for a more aggressive exhaust note affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3194905
Mfg#:
004032ECS01KT
Ships on Aug 3, 2026
Auto Notify
ON SALE! SAVE 17%
$489.99

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

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout

ES#3658972 - 020923ECS01 - Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout - Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3658972
Mfg#:
020923ECS01
In Stock
ON SALE!
Starting at $57.57 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

Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts

ES#3658990 - 020923ECS02 - Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts - Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3658990
Mfg#:
020923ECS02
In Stock
ON SALE!
Starting at $418.49 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 RS5 Catback Exhaust

ES#4752950 - 042023LA01 - Audi B8.5 RS5 Catback Exhaust - Choose between Resonated or Non Resonated configurations on the downpipes and catback! - ECS - Audi

Choose between Resonated or Non Resonated configurations on the downpipes and catback! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4752950
Mfg#:
042023LA01
Ships on Oct 29, 2026
ON SALE!
Starting at $1587.83 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

ECS UNIVERSAL Swivel Exhaust Tips - 4.0" Black Chrome - Pair

ES#2986537 - 003358ecs03a02KT - ECS UNIVERSAL Swivel Exhaust Tips - 4.0" Black Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986537
Mfg#:
003358ECS03A02KT
In Stock
ON SALE! SAVE 10%
$221.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Valvetronic Catback Exhaust System

Gains of up to +17.8 horsepower with an additional +13.3 ft-lbs of torque with a legendary exhaust note! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675762
Mfg#:
AUB8R-5
Ships on Jun 26, 2026
$5432.00 USD
Free Shipping

2.75" Performance Downpipe and X-Pipe Combo

ES#4046109 - RS5DPXP - 2.75" Performance Downpipe and X-Pipe Combo - For those who are not interested in a full exhaust system but want more performance and an exotic sound this is for you! - JH Motorsports - Audi

For those who are not interested in a full exhaust system but want more performance and an exotic sound this is for you! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4046109
Mfg#:
RS5DPXP
Ships in 1 Business Day
$1299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CatBack Exhaust System - Non-Resonated

ES#3107661 - 769012KT1 - CatBack Exhaust System - Non-Resonated - Stainless steel system with mufflers - Supersprint - Audi

Stainless steel system with mufflers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3107661
Mfg#:
769012KT1
Ships on Sep 9, 2026
$4480.99 USD
Free Shipping

ECS "Ti.22" UNIVERSAL Exhaust Tip - 4.0" Titanium - Burnt Finish - Priced Each

ES#4336426 - 011966LA07-06 - ECS "Ti.22" UNIVERSAL Exhaust Tip - 4.0" Titanium - Burnt Finish - Priced Each - 2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4336426
Mfg#:
011966LA07-06
In Stock
ON SALE! SAVE 10%
$199.99

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

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARMYTRIX Stainless Steel Valvetronic Cat-Back Exhaust System

Gains of up to +17.8 horsepower with an additional +13.3 ft-lbs of torque with a legendary exhaust note! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675763
Mfg#:
AUB8R-5+OWRC
Ships on Jun 30, 2026
$3880.00 USD
Free Shipping

Cat-Back Exhaust System - Resonated With Exhaust Valves

ES#2827393 - SSXAU267 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.37" stainless steel and retains OE exhaust tips - Milltek Sport - Audi

2.37" stainless steel and retains OE exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827393
Mfg#:
SSXAU267
Ships in 3 Business Days
$3569.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Exhaust Valves

ES#2827453 - SSXAU335 - Cat-Back Exhaust System - Non-Resonated With Exhaust Valves - 2.37" stainless steel and retains OE exhaust tips - Milltek Sport - Audi

2.37" stainless steel and retains OE exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827453
Mfg#:
SSXAU335
Ships in 3 Business Days
$3001.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS "Ti.22" UNIVERSAL Exhaust Tips - 4.0" Titanium - Burnt Finish - Set of Four

ES#4505621 - 011966LA07-05KT - ECS "Ti.22" UNIVERSAL Exhaust Tips - 4.0" Titanium - Burnt Finish - Set of Four - 2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4505621
Mfg#:
011966LA07-05KT
In Stock
ON SALE! SAVE 34%
$799.96

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

$531.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B8 RS5

ES#4727462 - AWEB8RS5 - AWE Touring Edition Exhaust System - Audi B8 RS5 - Brings out an aggressive, raw V8 rumble! Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Brings out an aggressive, raw V8 rumble! Features AWE's proprietary 180 Technology® resonators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727462
Mfg#:
AWEB8RS5
Ships on Jun 26, 2026
Starting at $2045.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Exhaust Parts & Upgrades

Turn up the volume and add some power with our performance exhaust options for your vehicle.

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