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Audi S4 Performance Engine & Drivetrain Parts

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Carbon Fiber RS4 Y-Pipe

ES#2972858 - 034-108-5000 - Carbon Fiber RS4 Y-Pipe - Features high-quality carbon fiber with perfect fitment and optimal flow - 034Motorsport - Audi

Features high-quality carbon fiber with perfect fitment and optimal flow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2972858
Mfg#:
034-108-5000
Ships in 2 Business Days
$647.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Clutch Line

ES#3200644 - 017626ECS01 - Exact-Fit Stainless Steel Clutch Line - Improve clutch pedal feel with this simple, yet dramatic upgrade - ECS - Audi

Improve clutch pedal feel with this simple, yet dramatic upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3200644
Mfg#:
017626ECS01
In Stock
ON SALE! SAVE 20%
$87.99

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

$70.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 Luft-Technik Intake Air Scoop v2

ES#4315808 - 008184LA01 - Audi B8/B8.5 Luft-Technik Intake Air Scoop v2 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315808
Mfg#:
008184LA01
In Stock
ON SALE! SAVE 10%
$138.36

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

$124.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Core IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable

ES#3706797 - iesocgj1tcu - Core IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 104 horsepower and 85 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 104 horsepower and 85 lb-ft of torque on 91 Octane 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 DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706797
Mfg#:
IESOCGJ1TCU
In Stock
$1098.99 USD
Free Shipping

Universal Large Aluminum Oil Catch Can

ES#2765062 - MM0CCLA - Universal Large Aluminum Oil Catch Can - Includes Mounting Brackets & Hardware - Mishimoto - Audi BMW Volkswagen MINI

Includes Mounting Brackets & Hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765062
Mfg#:
MM0CCLA
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake System - Carbon Fiber Inlet - Audi B8 S4/S5 3.0T

ES#2992535 - 007344ECS02 - Luft-Technik Intake System - Carbon Fiber Inlet - Audi B8 S4/S5 3.0T - Engineered for increased engine performance with show quality looks - ECS - Audi

Engineered for increased engine performance with show quality looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992535
Mfg#:
007344ECS02
In Stock
ON SALE! SAVE 10%
$560.99

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

$504.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Transmission Mount

ES#2952012 - 034-509-4001sd - Street Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2952012
Mfg#:
034-509-4001SD
In Stock
$116.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance B5 S4 All Aluminum Radiator

ES#3220600 - 7071 - High Performance B5 S4 All Aluminum Radiator - Great option if youre looking to modify, upgrade, or simply keep up with the maintenance - CSF - Audi

Great option if you’re looking to modify, upgrade, or simply keep up with the maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
3220600
Mfg#:
7071
In Stock
$559.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.7T Silicone Boost Hose Kit - Black

ES#2800108 - 003558ECS01AKT - 2.7T Silicone Boost Hose Kit - Black - Add a better flowing, stronger set of hoses to your vehicle and keep it running strong. - ECS - Audi

Add a better flowing, stronger set of hoses to your vehicle and keep it running strong. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2800108
Mfg#:
003558ECS01AKT
In Stock
ON SALE! SAVE 25%
$371.99

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

$278.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Front Mount Intercooler System - B9 S4/S5 3.0T

ES#3613172 - IC100023 - APR Front Mount Intercooler System - B9 S4/S5 3.0T - Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! 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!

Brand:
APR - Corporate Logo
ES#:
3613172
Mfg#:
IC100023
Ships in 2 Business Days
11% off MSRP

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

$1631.99

This product was last offered at the strikethrough price on
06-05-2026

$1449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Metal Extended Slave Cylinder Kit

ES#4508665 - 8k0721257eKT - Adjustable Metal Extended Slave Cylinder Kit - Improve clutch pedal feel and the push clutch to start issue all at once! - Assembled By ECS - Audi

Improve clutch pedal feel and the push clutch to start issue all at once! 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#:
4508665
Mfg#:
8K0721257EKT
In Stock
$327.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Autotech High Volume Fuel Pump Kit

ES#4829926 - 10-127-113K - Autotech High Volume Fuel Pump Kit - EA839 precision-machined internals - Autotech - Audi Porsche

EA839 precision-machined internals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autotech - Corporate Logo
ES#:
4829926
Mfg#:
10-127-113K
Ships in 1-2 days
$339.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Gen.2 Intercooler Kit Audi 2.7 BiTurbo

ES#4781416 - 200001006.SINGLE - Competition Gen.2 Intercooler Kit Audi 2.7 BiTurbo - eliminate any constraints present in the OEM setup - Wagner Tuning - Audi

eliminate any constraints present in the OEM setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4781416
Mfg#:
200001006.SINGLE
In Stock
$790.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Differential Mount - Audi B5 A4/S4

ES#2730494 - 003248ECS01A - Performance Rear Differential Mount - Audi B5 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2730494
Mfg#:
003248ECS01A
In Stock
ON SALE! SAVE 30%
$238.99

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

$167.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/S4/A5/S5 Manual - Driveshaft Center Support

ES#4616350 - 012575la01KT1 - B8 A4/S4/A5/S5 Manual - Driveshaft Center Support - As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4616350
Mfg#:
012575LA01KT1
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 20%
$302.81

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

$242.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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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