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Audi B9 S4 Quattro 3.0T Performance Exhaust Parts

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ES#4745717 - 8W0253115D - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Elring - Audi

Between the exhaust manifold and downpipe, requires 2 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4745717
Mfg#:
8W0253115D
Ships on Sep 18, 2026
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261435 - 010202 - 14" Stainless Steel Locking Ties - Pack Of 4 - Secure the exhaust wrap with stainless steel ties - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Secure the exhaust wrap with stainless steel ties

Brand:
DEI - Corporate Logo
ES#:
261435
Mfg#:
010202
Ships on Sep 10, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5375603
Mfg#:
SSXAU701
In Stock
ON SALE! SAVE 34%
$3075.00

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

$2044.00 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.

Brand:
AWE - Corporate Logo
ES#:
4727527
Mfg#:
AWEB9S4SP
Ships on Sep 8, 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.

Brand:
AWE - Corporate Logo
ES#:
4727525
Mfg#:
AWEB9S4TR
Ships on Sep 9, 2026
Starting at $2775.00 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 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#3644165 - 777532 - Performance Downpipe Kit - Resonated  - T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters - Supersprint - Audi

T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters

Brand:
Supersprint - Corporate Logo
ES#:
3644165
Mfg#:
777532
Ships in 3 Business Days
$5480.99 USD
Free Shipping
ES#3644162 - 777521 -   Performance High Flow Catalytic Converter  - 304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy! - Supersprint - Audi

304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy!

Brand:
Supersprint - Corporate Logo
ES#:
3644162
Mfg#:
777521
Ships in 3 Business Days
$4867.99 USD
Free Shipping

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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