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Your Vehicle Audi B9 S4 Quattro 3.0T

Audi B9 S4 Quattro 3.0T Performance Engine Parts

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More Power. More Fun. Plus, a Limited Powertrain Warranty Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne

Brand:
APR - Corporate Logo
ES#:
4057385
Mfg#:
DPP30TMG1APRPLUS
In Stock
$1799.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4846365 - 034-509-0095 - Motorsport TrackSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4846365
Mfg#:
034-509-0095
Ships in 2 Business Days
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4877045 - 034-106-A002/3 - FP34 Fuel Pump Surge Tank - Designed for Bosch 044 Fuel Pump - 034Motorsport - Audi Volkswagen

Designed for Bosch 044 Fuel Pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4877045
Mfg#:
034-106-A002/3
Ships in 2 Business Days
$351.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727527
Mfg#:
AWEB9S4SP
Ships on Jun 25, 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727525
Mfg#:
AWEB9S4TR
Ships on Jun 25, 2026
Starting at $2775.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Jun 23, 2026
$69.00 USD
Free Shipping
on orders $49 and up
ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping
ES#4500751 - iesovz13 - Stage 3 IE Performance ECU Tune with POWERlink Cable - Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ. - Integrated Engineering - Audi

Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4500751
Mfg#:
IESOVZ13
Ships in 3 Business Days
$1248.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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#4339047 - 904525 - RaceChip GTS Black - Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339047
Mfg#:
904525
Ships in 3 Business Days
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +34 hp and +59 through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339046
Mfg#:
904521
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339045 - 904520 - RaceChip S - Get up to +27 hp and +44 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +27 hp and +44 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339045
Mfg#:
904520
Ships in 3 Business Days
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039962 - VWR1241S4 -  Audi B9 S4/S5 Carbon Intake System - The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5! - Racingline - Audi

The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4039962
Mfg#:
VWR1241S4
Ships in 2 Business Days
$1340.99 USD
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Brand:
Supersprint - Corporate Logo
ES#:
3644162
Mfg#:
777521
Ships in 3 Business Days
$4867.99 USD
Free Shipping
ES#4362353 - UH017-INA - Unitronic Carbon Fiber Intake System 3.0TFSI B9 S4/S5 - Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. - Unitronic - Audi

Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4362353
Mfg#:
UH017-INA
Ships in 5 Business Days
$1469.99 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.

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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