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Audi S4 Performance Engine Parts

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ES#4821286 - UH017BTA - Unitronic Crank Pulley Kit For 3.0TFSI - Optimized pulley size for maximum performance. - Unitronic - Audi

Optimized pulley size for maximum performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4821286
Mfg#:
UH017BTA
Ships in 2 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4780217 - WAG-P201050810.B - Pro Series Main Stud Set - When running big power, the OE studs simply won't cut it! - Wagner Tuning - Audi

When running big power, the OE studs simply won't cut it! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4780217
Mfg#:
WAG-P201050810.B
Ships in 3 Business Days
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3514900 - eurodyne30tKT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 97-108 hp and 45-56 ft-lb of torque - Eurodyne - Audi

Tune your car with just your laptop and choose gains ranging from 97-108 hp and 45-56 ft-lb of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Both B8 and B8.5 models are supported.

Brand:
Eurodyne - Corporate Logo
ES#:
3514900
Mfg#:
EURODYNE30TKT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3419777 - 034-106-A003 - FP34 Fuel Pump Surge Tank - With Pump  - Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump - 034Motorsport - Audi Volkswagen

Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3419777
Mfg#:
034-106-A003
Back Ordered
$690.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2708159 - 000805ECS01AKT - ECS Performance Engine Mount Kit - Audi B5 S4 - Performance engine mounts to increase drivetrain rigidity - ECS - Audi

Performance engine mounts to increase drivetrain rigidity affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2708159
Mfg#:
000805ECS01AKT
Ships in 1-2 days
ON SALE!
$358.99

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

$341.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647479 - ST-AIVN-1103SKT1 - Supertech Stainless Intake Valve Kit - Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647479
Mfg#:
ST-AIVN-1103SKT1
Back Ordered
$679.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4414475 - B9CPBOV2017 - VPS Intercooler To Throttle Charge Pipe - Without BOV - Upgraded charge pipe kit for use with a blow off valve. - Verstarkt Performance Systems - Audi

Upgraded charge pipe kit for use with a blow off valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verstarkt Performance Systems - Corporate Logo
ES#:
4414475
Mfg#:
B9CPBOV2017
Ships on Sep 17, 2026
$225.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419591 - 034-106-7042-S4 - Complete Drop-In Performance Billet Fuel Rail Kit - Includes everything needed to install 034Motorsport Billet Aluminum Fuel Rails on your 2.7T - 034Motorsport - Audi

Includes everything needed to install 034Motorsport Billet Aluminum Fuel Rails on your 2.7T affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only fits with factory 2.7T intake manifold - Does not fit RS4 manifold

Brand:
034Motorsport - Corporate Logo
ES#:
3419591
Mfg#:
034-106-7042-S4
Back Ordered
$659.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2972481 - 11-10121 - MagnumFLOW Pro-Dry Air Filter - Oil free dry synthetic media, allowing significant airflow over stock paper media - AFE - Audi

Oil free dry synthetic media, allowing significant airflow over stock paper media affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
2972481
Mfg#:
11-10121
In Stock
20% off MSRP

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

$117.99

This product was last offered at the strikethrough price on
04-09-2026

$94.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647603 - IEBAVJ5 - IE 3.0T Supercharger Pulley Upgrade (4-Bolt Style) - Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7% - Integrated Engineering - Audi

Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7% affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software is required in order for this pulley to yield a p

Brand:
Integrated Engineering - Corporate Logo
ES#:
3647603
Mfg#:
IEBAVJ5
Ships in 3 Business Days
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940110 - JB4-OBDII-4P7FCA - JB4 OBDII Cable Replacement - 4 Position (Cable Only) - Version 1. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Version 1. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4940110
Mfg#:
JB4-OBDII-4P7FCA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4714530 - BMSWMITC - BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve - The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714530
Mfg#:
BMSWMITC
In Stock
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3557465 - 651201C - Build-Your-Own 3.0T Fluidampr Kit - An essential upgrade for 3.0T Supercharged vehicles! - Fluidampr - Audi Porsche

An essential upgrade for 3.0T Supercharged vehicles! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fluidampr - Corporate Logo
ES#:
3557465
Mfg#:
651201C
Back Ordered
Starting at $649.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858179 - 034-106-3030 - 550cc Bosch EV14 Fuel Injector - Priced Each  - The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. - Bosch - Audi

The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4858179
Mfg#:
034-106-3030
Ships in 3 Business Days
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4043314 - 2660-13026 - AWE S-FLO Carbon Intake - Audi B8.5 S4/S5 3.0T - Gains of 15 hp and 11 ft-lbs of torque! Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. - AWE - Audi

Gains of 15 hp and 11 ft-lbs of torque! Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043314
Mfg#:
2660-13026
Ships on Jul 13, 2026
$659.99

This product was last offered at the strikethrough price on
02-06-2026

$645.00 USD
Free Shipping
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.

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