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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Exhaust Parts

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Scratch and Dent Item

Milltek Sport Cat-Back Exhaust System - Resonated With Exhaust Valves*Scratch And Dent*

ES#4730281 - SSXAU695sd - Milltek Sport Cat-Back Exhaust System - Resonated With Exhaust Valves*Scratch And Dent* - 2.50" stainless steel with quad GT-100 Cerakote black tips - Scratch & Dent - Audi

2.50" stainless steel with quad GT-100 Cerakote black tips 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!

Brand:
Scratch & Dent - Corporate Logo
ES#:
4730281
Mfg#:
SSXAU695SD
In Stock
ON SALE! SAVE 53%
$3283.00

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

$1559.00 USD

Performance Downpipe Kit - Non-Resonated

ES#3644159 - 777512 - Performance Downpipe Kit - Non-Resonated - T304 Stainless Steel high flow front pipe kit replaces factory secondary catalytic converters - Supersprint - Audi

T304 Stainless Steel high flow front pipe kit replaces factory secondary catalytic converters

Brand:
Supersprint - Corporate Logo
ES#:
3644159
Mfg#:
777512
Ships on Nov 19, 2026
$1466.99 USD
Free Shipping

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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4865887
Mfg#:
053563LA02
In Stock
ON SALE! SAVE 10%
$16.99

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

$15.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 3.0T S4 S5 Catted Downpipe

ES#4905571 - B930TDPC - Audi B9 3.0T S4 S5 Catted Downpipe - Increased Power and Torque, Massive 6.5" Design, Faster Turbo Spool, and Improved Exhaust Note - ARM Motorsports - Audi

Increased Power and Torque, Massive 6.5" Design, Faster Turbo Spool, and Improved Exhaust Note

Brand:
ARM Motorsports - Corporate Logo
ES#:
4905571
Mfg#:
B930TDPC
Ships in 4 Business Days
ON SALE! SAVE 10%
$779.00

This product was last offered at the strikethrough price on
08-11-2026

$701.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#3015657 - 8W0253115D - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Genuine Volkswagen Audi - Audi

Between the exhaust manifold and downpipe, requires 2

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3015657
Mfg#:
8W0253115D
In Stock
$6.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Resonator Delete Kit

ES#4499569 - CTS-EXH-TP-0019 - CTS Resonator Delete Kit - Get all the benefits of using this resonator delete without the high price tag. - CTS - Audi

Get all the benefits of using this resonator delete without the high price tag.

Brand:
CTS - Corporate Logo
ES#:
4499569
Mfg#:
CTS-EXH-TP-0019
Ships in 7 Business Days
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sound Enhancing Resonator Kit

ES#4022504 - 8W0071904 - Sound Enhancing Resonator Kit - Genuine Audi exhaust upgrade to make your Audi sound the way it was intended! - Genuine Volkswagen Audi - Audi

Genuine Audi exhaust upgrade to make your Audi sound the way it was intended!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4022504
Mfg#:
8W0071904
Ships in 1 day
4% off MSRP

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

$940.99

This product was last offered at the strikethrough price on
08-18-2026

$901.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12mm Exhaust Hanger Locking Collar

ES#4865886 - 053563LA01 - 12mm Exhaust Hanger Locking Collar - Achieve perfect exhaust fitment! - ECS - Audi BMW Volkswagen Mercedes Benz MINI

Achieve perfect exhaust fitment! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4865886
Mfg#:
053563LA01
In Stock
ON SALE! SAVE 10%
$16.99

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

$15.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Dual Exhaust Tip - Dual 3" - Right side

ES#2974338 - 35227 - Universal Dual Exhaust Tip - Dual 3" - Right 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. Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Magnaflow - Corporate Logo
ES#:
2974338
Mfg#:
35227
Ships in 1 Business Day
$166.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Active Valve Control System

ES#3426977 - SSXAU677 - Active Valve Control System - Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems - Milltek Sport - Audi

Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems

Brand:
Milltek Sport - Corporate Logo
ES#:
3426977
Mfg#:
SSXAU677
Ships in 3 Business Days
$809.99 USD
Free Shipping
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.

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