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Audi B8/B8.5 S5 Quattro V8 4.2L

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

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Cat-Back Exhaust System - ValveSonic

2.37" stainless steel with quad 80mm black Cerakote tips Fits both manual and automatic transmission models

Brand:
Milltek Sport - Corporate Logo
ES#:
2827521
Mfg#:
SSXAU404
Ships in 3 Business Days
$3679.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Installation Kit

ES#2765923 - 8K0253115DKT4 - Downpipe Installation Kit - Includes the necessary hardware and gaskets to install the downpipes - Genuine Volkswagen Audi - Audi

Includes the necessary hardware and gaskets to install the downpipes

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2765923
Mfg#:
8K0253115DKT4
Ships in 2 Business Days
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Right

Includes a $210 refundable core charge From the 2011 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561226
Mfg#:
8K0254252BXKT
Ships in 1-2 days
$2085.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Left

Includes a $210 refundable core charge From the 2011 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561224
Mfg#:
8K0254200LXKT
Ships in 2 Business Days
$2085.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Downpipe - Left

Includes the flex section

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450480
Mfg#:
8K0254300E
Ships in 4 Business Days
9% off MSRP

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

$668.99

This product was last offered at the strikethrough price on
08-22-2026

$611.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Downpipe - Right

Includes the flex section

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450482
Mfg#:
8K0254350T
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.

$798.99

This product was last offered at the strikethrough price on
08-22-2026

$757.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

Also known as the 'combi valve' Fits the right side from production date 6/1/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955067
Mfg#:
079131102D
Ships in 7 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.

$108.99

This product was last offered at the strikethrough price on
02-26-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

Also known as the 'combi valve' Fits the left side from production date 6/1/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955066
Mfg#:
079131101AQ
Ships in 8 Business Days
9% off MSRP

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

$218.99

This product was last offered at the strikethrough price on
08-22-2026

$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler Hanger - Priced Each

ES#5492671 - 8K0253144M - Rear Muffler Hanger - Priced Each - Eliminate obnoxious rattling, cure sagging tailpipes, and secure your heavy rear mufflers. - Febi - Audi

Eliminate obnoxious rattling, cure sagging tailpipes, and secure your heavy rear mufflers. Fits the left and right side

Brand:
Febi - Corporate Logo
ES#:
5492671
Mfg#:
8K0253144M
Special Order: No Guaranteed ETA
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#2614362 - 16598 - Cat-Back Exhaust System - 2.5" stainless steel with quad 3.5" polished stainless tips - Magnaflow - Audi

2.5" stainless steel with quad 3.5" polished stainless tips

Brand:
Magnaflow - Corporate Logo
ES#:
2614362
Mfg#:
16598
Back Ordered
$1930.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Black Chrome - Pair

ES#2986535 - 006555ecs04a02KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Black Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" 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 / 3.5" Double Wall, Slant Cut Outlet Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986535
Mfg#:
006555ECS04A02KT
In Stock
ON SALE! SAVE 10%
$155.99

This product was last offered at the strikethrough price on
06-13-2026

$140.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Chrome - Pair

ES#2986534 - 006555ecs04a01KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" 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 / 3.5" Double Wall, Slant Cut Outlet Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986534
Mfg#:
006555ECS04A01KT
In Stock
ON SALE! SAVE 15%
$155.99

This product was last offered at the strikethrough price on
06-13-2026

$132.58 USD
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. 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE! SAVE 10%
$100.99

This product was last offered at the strikethrough price on
06-13-2026

$90.89 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.

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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