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Audi S4 Performance Engine Parts

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ES#3447989 - 034-101-1001 - Catch Can Breather Kit - The ultimate breather can kit for the C4 AAN S4/S6, everything needed for a clean, OEM-type conversion - 034Motorsport - Audi

The ultimate breather can kit for the C4 AAN S4/S6, everything needed for a clean, OEM-type conversion affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3447989
Mfg#:
034-101-1001
Ships in 2 Business Days
$385.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2826223 - 40110 - Nozzle Mounting adapter for hose - 1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826223
Mfg#:
40110
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4056962 - 025510ecs01KT - Audi 3.0T Performance Overdrive Crank Pulley With Belt - 187.3mm - For Use With Supercharger Pulley Upgrade - Spin the supercharger faster without affecting the accessory drive system - ECS - Audi Volkswagen Porsche

Spin the supercharger faster without affecting the accessory drive system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
4056962
Mfg#:
025510ECS01KT
In Stock at Vendor
$391.98

This product was last offered at the strikethrough price on
06-10-2026

$383.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376613 - SN0-82082R - Snow Performance Quick Connect Fitting - 1/8NPT-1/4 - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1/8NPT-1/4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4376613
Mfg#:
SN0-82082R
In Stock at Vendor
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4715669
Mfg#:
40060-BRD
In Stock at Vendor
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#518083 - 30-10044 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518083
Mfg#:
30-10044
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
06-19-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864567 - 034-108-6003 - MAF Housing Adapter - S4 - Seamlessly install your 034Motorsport 85mm MAF Housing with a factory S4 airbox - 034Motorsport - Audi

Seamlessly install your 034Motorsport 85mm MAF Housing with a factory S4 airbox affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864567
Mfg#:
034-108-6003
Ships in 1 Business Day
$121.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 1 Business Day
Starting at $0.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4781648 - FMDv004S - Forge Motorsport Valve Service Kit - Service kit for FMDv004 - Forge - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Service kit for FMDv004 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
4781648
Mfg#:
FMDV004S
Back Ordered
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

+1mm oversized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4473987
Mfg#:
AEVI-1106S-8
Ships in 8 Business Days
$357.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672109 - JB4-BLT-ENCR - JB4 Billet Aluminum Enclosure - Stylish protective waterproof case for your JB1 or JB4 - Burger Motorsports - Audi Volkswagen Mercedes Benz MINI Porsche

Stylish protective waterproof case for your JB1 or JB4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3672109
Mfg#:
JB4-BLT-ENCR
Ships in 1 Business Day
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Perfect choice for low to medium boost setups (1-15 PSI) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4906297
Mfg#:
SN0-201
In Stock
Limited Qty Sale
$375.00

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

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5071 - FI36-6-KIT - 360cc Injectors & Fuel Rail Spacer Kit - Includes 6 injectors with billet spacers & hardware for installation - Assembled By ECS - Audi

Includes 6 injectors with billet spacers & hardware for installation 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#:
5071
Mfg#:
FI36-6-KIT
In Stock
$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3220459 - FMSCPS53T - Supercharger Reduction Pulley Upgrade - Contains a Supercharger Reduction Pulley and drive belt for the Audi 3.0T models - Forge - Audi Porsche

Contains a Supercharger Reduction Pulley and drive belt for the Audi 3.0T models affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3220459
Mfg#:
FMSCPS53T
Ships in 3 Business Days
$346.99 USD
Free Shipping
on orders $49 and up
ES#3023191 - 034-145-A005 - Silicone Inlet hose - black - Smoother flows and more air than the OEM hose - 034Motorsport - Audi

Smoother flows and more air than the OEM hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3023191
Mfg#:
034-145-A005
Ships in 2 Business Days
$115.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4007245 - TS-0204-1131 - Turbosmart Gen-V Race Port BOV - Blue - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007245
Mfg#:
TS-0204-1131
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
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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