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Audi S4 Performance Engine Parts

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Kohlefaser Luft-Technik Intake System - Audi B8 S4/S5 3.0T

ES#2746454 - 000931ECS01 - Kohlefaser Luft-Technik Intake System - Audi B8 S4/S5 3.0T - Engineered for dyno proven performance and show quality looks! - ECS - Audi

Engineered for dyno proven performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
2746454
Mfg#:
000931ECS01
Ships on Sep 4, 2026
$815.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hi-Volume Fuel Pump Upgrade Kit

ES#3146299 - 10-127-101K - Hi-Volume Fuel Pump Upgrade Kit - Up to a 5% Torque increase and additional 10Bar of fuel rail pressure! - Autotech - Audi Volkswagen

Up to a 5% Torque increase and additional 10Bar of fuel rail pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autotech - Corporate Logo
ES#:
3146299
Mfg#:
10-127-101K
Ships on Jul 14, 2026
Auto Notify
$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

60A Solid Rubber OEM+ Engine Mount Kit & Transmission Mount Bushing Insert Kit

ES#4876601 - 039803LA01EBKT - 60A Solid Rubber OEM+ Engine Mount Kit & Transmission Mount Bushing Insert Kit - 60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts paired with decreased transmission mount slop for better drivetrain response! - Enthusiast Bundles - Audi

60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts paired with decreased transmission mount slop for better drivetrain response! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876601
Mfg#:
039803LA01EBKT
Ships on Jul 10, 2026
Auto Notify
ON SALE! SAVE 21%
$629.99

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

$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5

ES#4362352 - UH017-ICA - Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5 - Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM! - Unitronic - Audi

Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4362352
Mfg#:
UH017-ICA
Ships in 2 Business Days
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dual Pulley Hardware Kit -190mm

ES#4858461 - 034-145-Z047 - Dual Pulley Hardware Kit -190mm - Increase supercharger rotational speed to provide more boost to your engine. - 034Motorsport - Audi

Increase supercharger rotational speed to provide more boost to your engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858461
Mfg#:
034-145-Z047
Ships in 2 Business Days
$692.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS

ES#4305066 - 025496ECS01KT2 - Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS - Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. - ECS - Audi

Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Fits B8 Pre-Facelift Models Without ADS

Brand:
ECS - Corporate Logo
ES#:
4305066
Mfg#:
025496ECS01KT2
In Stock
$938.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Motor Mount Kit

ES#3183555 - 034-509-0008KT - Density Line Motor Mount Kit - Includes 034Motorsport Street Density mounts & active mount resistor bypasses - 034Motorsport - Audi

Includes 034Motorsport Street Density mounts & active mount resistor bypasses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183555
Mfg#:
034-509-0008KT
Ships in 6 Business Days
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" Performance Downpipe Set - Resonated

ES#3969400 - SAUP044 - 2.5" Performance Downpipe Set - Resonated - 2.50" 304 stainless performance downpipes with resonated sections - Scorpion - Audi

2.50" 304 stainless performance downpipes with resonated sections affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scorpion - Corporate Logo
ES#:
3969400
Mfg#:
SAUP044
In Stock
$604.99 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! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
2800108
Mfg#:
003558ECS01AKT
In Stock
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forge Turbo Blanket

ES#3411173 - FMTUBL1 - Forge Turbo Blanket - Keep your underhood temps low and your turbo speeds high! - Forge - Audi Volkswagen

Keep your underhood temps low and your turbo speeds high! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3411173
Mfg#:
FMTUBL1
In Stock
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X34 Cold Air Intake - Carbon Fiber

ES#2864558 - 034-108-1002-CF - X34 Cold Air Intake - Carbon Fiber - The ultimate cold air induction system the for powerful 2.7T! - 034Motorsport - Audi

The ultimate cold air induction system the for powerful 2.7T! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864558
Mfg#:
034-108-1002-CF
In Stock
$595.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune

ES#4907826 - B9-3.0T-1-TUNE - Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune - Gains from 67 WHP/108 WTQ on Stage 1 up to 102 WHP/122 WTQ on Stage 2 - Jackal Motorsports - Audi

Gains from 67 WHP/108 WTQ on Stage 1 up to 102 WHP/122 WTQ on Stage 2 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907826
Mfg#:
B9-3.0T-1-TUNE
Ships in 1 Business Day
$1010.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 S4 / S5 3.0T Performance Aluminum Radiator

ES#4566542 - 012620LA02 - B8 S4 / S5 3.0T Performance Aluminum Radiator - Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. - ECS - Audi

Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
10X Entries For Our Spin To Win Sweepstakes!
For Vehicles Equipped with a Manual Transmission

Brand:
ECS - Corporate Logo
ES#:
4566542
Mfg#:
012620LA02
In Stock
ON SALE! SAVE 39%
$407.99

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

$250.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 2.7T F21 Hybrid Turbochargers

ES#2840951 - f21bt - Audi 2.7T F21 Hybrid Turbochargers - Complete bolt on Turbo upgrade including turbo inlet pipes - FrankenTurbo - Audi

Complete bolt on Turbo upgrade including turbo inlet pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840951
Mfg#:
F21BT
Ships on Jul 29, 2026
$1999.00 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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