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Audi S4 Performance Engine Parts

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ES#3183373 - 034-509-0007-TD - Density Line Track Density Motor Mount - Priced Each  - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183373
Mfg#:
034-509-0007-TD
In Stock
$132.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3624375 - ST-AIVN-1103 - Supertech Stainless Intake Valve - Priced Each  - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3624375
Mfg#:
ST-AIVN-1103
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3537354 - 024641ecs02KT - B9 A4/S4 Carbon Fiber Inlet Scoop - Channel air to your intake with performance syle! - ECS - Audi

Channel air to your intake with performance syle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3537354
Mfg#:
024641ECS02KT
Ships on Nov 5, 2026
ON SALE! SAVE 10%
$271.61

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

$244.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4493831 - IESOVZ14TCU - Stage 3 Plus IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable - Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ. - Integrated Engineering - Audi

Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ. 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#:
4493831
Mfg#:
IESOVZ14TCU
In Stock
$2177.99 USD
Free Shipping
ES#4730319 - 034-106-Z068 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi Porsche

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4730319
Mfg#:
034-106-Z068
In Stock
$26.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164586 - AU94S-CDC - ARMYTRIX Sport Cat-Pipe - Ceramic Coated - Ceramic Coated Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound! - Armytrix - Audi

Ceramic Coated Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
4164586
Mfg#:
AU94S-CDC
Ships on Jul 6, 2026
$2050.00 USD
Free Shipping
ES#4759299 - JE-30T-389543 - IE Spec JE Forged Pistons - Combination tested for up to 1000ft-lbs of torque, combine iE connecting rods and JE Pistons for unparalleled strength in your high-boost build. - Integrated Engineering - Audi

Combination tested for up to 1000ft-lbs of torque, combine iE connecting rods and JE Pistons for unparalleled strength in your high-boost build. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4759299
Mfg#:
JE-30T-389543
Ships in 4 Business Days
$2049.99 USD
Free Shipping
on orders $49 and up
ES#4013557 - 034-106-3031 - 750CC EV14 Bosch Fuel Injector - Priced Each - The most advanced injector we offer. - Bosch - Audi

The most advanced injector we offer. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013557
Mfg#:
034-106-3031
Ships in 2 Business Days
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4846368 - 034-509-0089 - Motorsport StreetSport 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#:
4846368
Mfg#:
034-509-0089
Ships in 2 Business Days
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4745585 - 220-588-1530FD - Pauter 4340 Chromoly Cross-Beam Connecting Rod Set - Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. - 034Motorsport - Audi

Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4745585
Mfg#:
220-588-1530FD
Ships in 2 Business Days
$2000.00 USD
Free Shipping
ES#4745586 - 220-588-15503.0 - Pauter 4340 Chromoly Cross-Beam Connecting Rod Set - Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. - 034Motorsport - Audi

Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4745586
Mfg#:
220-588-15503.0
Ships in 2 Business Days
$2000.00 USD
Free Shipping
ES#5388979 - IESOVJ33 - Apex IE Performance ECU Tune - With POWERlink Cable - Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane with dual pulley upgrade - Integrated Engineering - Audi

Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane with dual pulley upgrade 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.
For vehicles with manual transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
5388979
Mfg#:
IESOVJ33
In Stock
$999.99 USD
Free Shipping
on orders $49 and up
ES#4493297 - iesovz13TCU - Stage 3 IE Performance ECU Tune - Includes Stage 3 TCU Tune & 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#:
4493297
Mfg#:
IESOVZ13TCU
In Stock
$1977.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4660245 - 042002LA01KT2 - B6 S4 Muffler Delete Kit - With 4.0" Chrome Tips - Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! - ECS - Audi

Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4660245
Mfg#:
042002LA01KT2
Ships in 5 Business Days
ON SALE! SAVE 15%
$463.99

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

$394.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Go from mild to wild! Select the options you want for your build. 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#:
4017055
Mfg#:
B8S4PWRPK
In Stock
ON SALE!
Starting at $0.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3107695 - 762503kt - CatBack Exhaust System - Resonated - Stainless steel system with X-pipe - Supersprint - Audi

Stainless steel system with X-pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3107695
Mfg#:
762503KT
Ships on Sep 16, 2026
$1940.99 USD
Free Shipping

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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