Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi S4 Performance Engine Parts

Sort By
Filter By
Return to Top
ES#1905454 - 2418T178 - HKS Adapter Flange O-Ring - Used to seal the valve to the new adapter flange - ECS - Audi Volkswagen

Used to seal the valve to the new adapter flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
1905454
Mfg#:
2418T178
Ships in 1-2 days
ON SALE! SAVE 25%
$6.99

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

$5.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715238 - BMS-WMI-FIL - WMI Inline Filter - Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Keep your WMI system in top condition by filtering out potential contaminants before it becomes a problem affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4715238
Mfg#:
BMS-WMI-FIL
Ships on Jul 8, 2026
$15.00 USD
Free Shipping
on orders $49 and up

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

Brand:
SnowPerformance - Corporate Logo
ES#:
2826274
Mfg#:
80001
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
ES#3022274 - PSSLTT - Locking Tool For Stainless Steel Zip Ties - Secure stainless steel zip ties with ease! - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Secure stainless steel zip ties with ease! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3022274
Mfg#:
PSSLTT
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4212780 - SN0-806-BRD - 4AN "T" Fitting - 4AN T - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

4AN T affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4212780
Mfg#:
SN0-806-BRD
In Stock at Vendor
$10.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
261435
Mfg#:
010202
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826275 - 80003 - Green LED - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
SnowPerformance - Corporate Logo
ES#:
2826275
Mfg#:
80003
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For most JB4 applications.

Brand:
Burgaflex - Corporate Logo
ES#:
4715229
Mfg#:
FSB-UNI
In Stock
Limited Qty Sale
$153.00

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

$141.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5374723 - 034-108-5048 - P34 SuperDuper Insuction Bundle *Scratch And Dent* - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - Scratch & Dent - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5374723
Mfg#:
034-108-5048
In Stock
ON SALE! SAVE 12%
$681.00

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

$599.28 USD
ES#5457061 - 012620LA02sd - B8 S4 / S5 3.0T Performance Aluminum Radiator *Scratch And Dent* - Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. - Scratch & Dent - Audi

Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5457061
Mfg#:
012620LA02SD
In Stock
Limited Qty Sale
$407.99

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

$321.99 USD
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5375603
Mfg#:
SSXAU701
In Stock
ON SALE! SAVE 13%
$3075.00

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

$2679.99 USD
Scratch and Dent Item

*Scratch And Dent*

ES#4905804 - 034-105-7051 - *Scratch And Dent* - Transform your exhaust note - Scratch & Dent - Audi

Transform your exhaust note 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
4905804
Mfg#:
034-105-7051
In Stock
ON SALE! SAVE 12%
$430.00

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

$378.40 USD
ES#5425701 - SN0-20010 - Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit - (NO LONGER AVAILABLE) *Scratch And Dent* - Red High Temp Nylon Tubing, Quick-Connect Fittings - Scratch & Dent - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Red High Temp Nylon Tubing, Quick-Connect Fittings 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5425701
Mfg#:
SN0-20010
In Stock
ON SALE!
$520.99

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

$484.99 USD
Free Shipping
on orders $49 and up
ES#5470466 - VWR131000sd1 - RacingLine Oil Catch Can System - B9 S4/S5/SQ5 *Scratch And Dent* - Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract - Scratch & Dent - Audi

Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5470466
Mfg#:
VWR131000SD1
In Stock
$1117.99 USD
Free Shipping
on orders $49 and up
ES#4630161 - TTE10282 - TTE880 Upgrade Turbocharger - B5 RS4/S4 & C5 A6 2.7T - Designed to put out over 700HP+! - The Turbo Engineers - Audi

Designed to put out over 700HP+! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630161
Mfg#:
TTE10282
In Stock
$4806.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376317 - 30T-EA839-1 - Unitronic Performance Software - Stage 1 - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4376317
Mfg#:
30T-EA839-1
In Stock
$850.00 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Audi

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