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Audi S4 Performance Engine Parts

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Turbosmart Gen-V Race Port BOV - Blue

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

Drain Flange - 22mm

ES#4028226 - 034-145-Z016 - Drain Flange - 22mm - Includes mounting hardware and sealing o-ring! - 034Motorsport - Audi

Includes mounting hardware and sealing o-ring! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4028226
Mfg#:
034-145-Z016
Ships in 2 Business Days
$37.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0 TFSI Stage II Supercharger Drive Pulley Installation Kit

ES#2209707 - MS100025 - 3.0 TFSI Stage II Supercharger Drive Pulley Installation Kit - Install kit used for APR MS100035 - APR - Audi Volkswagen Porsche

Install kit used for APR MS100035 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!
To be used for APR Supercharger Drive Pulley Upgrade MS100135

Brand:
APR - Corporate Logo
ES#:
2209707
Mfg#:
MS100025
Ships in 5 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.

$374.99

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

$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Crank Pulley Upgrade (187mm)

ES#3219162 - MS100133 - APR Supercharger Crank Pulley Upgrade (187mm) - Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster! - APR - Audi Porsche

Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster! 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!
APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Pleas

Brand:
APR - Corporate Logo
ES#:
3219162
Mfg#:
MS100133
Ships in 5 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.

$374.99

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

$332.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tial MVS External Wastegate - V-banded 38mm - Black

ES#4033239 - TIL-WGT-022BK-AL - Tial MVS External Wastegate - V-banded 38mm - Black - Tial's new MV-S (V38) 38mm v-band external wastegate is the ultimate compact external wastegate solution - Tial - Audi Volkswagen

Tial's new MV-S (V38) 38mm v-band external wastegate is the ultimate compact external wastegate solution affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use wastegate for custom, externally gated big turbo applications - Not a direct fit wastegate*

Brand:
Tial - Corporate Logo
ES#:
4033239
Mfg#:
TIL-WGT-022BK-AL
Back Ordered
$325.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit

ES#4043098 - CTS-HW-0333 - Supercharger Pulley Upgrade Kit - Software & installation kit not included in this upgrade kit - CTS - Audi

Software & installation kit not included in this upgrade kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For models with bolt-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately an

Brand:
CTS - Corporate Logo
ES#:
4043098
Mfg#:
CTS-HW-0333
Ships in 7 Business Days
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 1.5GPH

ES#4476206 - SN0-N0150 - Water/Methanol Nozzle - 1.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4476206
Mfg#:
SN0-N0150
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water Methanol Check Valve (Nylon Line)

ES#3469706 - sn0-8cv - High Flow Water Methanol Check Valve (Nylon Line) - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3469706
Mfg#:
SN0-8CV
Ships in 6 Business Days
$31.99 USD
Free Shipping
on orders $49 and up

Supertech Stainless Intake Valve - 1.8T/2.7T - Set Of 12

ES#4689798 - sptAIVN-1103S-12 - Supertech Stainless Intake Valve - 1.8T/2.7T - Set Of 12 - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized 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#:
4689798
Mfg#:
SPTAIVN-1103S-12
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.

$394.99

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

$315.99 USD
Free Shipping
on orders $49 and up

Sprint Booster V3 Power Converter

ES#4220122 - 77-16409 - Sprint Booster V3 Power Converter - Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. - Sprint Booster - Audi

Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sprint Booster - Corporate Logo
ES#:
4220122
Mfg#:
77-16409
Back Ordered
19% off MSRP

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

$389.99

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

$314.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluidampr Overdrive Ring - 187mm

ES#3557475 - 651201cr187KT - Fluidampr Overdrive Ring - 187mm - Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys - iABED Industries - Audi Porsche

Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for us with Fluidampr 651201C.

Brand:
iABED Industries - Corporate Logo
ES#:
3557475
Mfg#:
651201CR187KT
Back Ordered
Auto Notify
$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 180mm

ES#3438174 - CTS-HW-266-180 - CTS Turbo Supercharger Crank Pulley Upgrade - 180mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438174
Mfg#:
CTS-HW-266-180
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
06-08-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Fuel Pump - 270 LPH

ES#2730417 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - URO - Audi Volkswagen Porsche

Great for when more fuel is needed in a custom fueling application 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:
URO - Corporate Logo
ES#:
2730417
Mfg#:
0580254044
In Stock at Vendor
$155.99

This product was last offered at the strikethrough price on
05-07-2026

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE ColdFront Protection Screen - B8/B8.5 3.0T

ES#4044050 - 4710-11016 - AWE ColdFront Protection Screen - B8/B8.5 3.0T - Made from stainless steel to guard your ColdFront Heat Exchanger from road debris. - AWE - Audi

Made from stainless steel to guard your ColdFrontâ„¢ Heat Exchanger from road debris. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4044050
Mfg#:
4710-11016
In Stock
$295.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Red High Temp Nylon Tubing - 20ft

ES#4339592 - SN0-8087 - Red High Temp Nylon Tubing - 20ft - Water Methanol Tubing - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Water Methanol Tubing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4339592
Mfg#:
SN0-8087
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sprint Booster Select V3

ES#3714100 - SBAU0063S - Sprint Booster Select V3 - Sprint Booster is an aftermarket electronic module that plugs in between the accelerator pedal and the engine control unit (ECU) in vehicles equipped with an electronic throttle control. - Sprint Booster - Audi

Sprint Booster is an aftermarket electronic module that plugs in between the accelerator pedal and the engine control unit (ECU) in vehicles equipped with an electronic throttle control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sprint Booster - Corporate Logo
ES#:
3714100
Mfg#:
SBAU0063S
Ships in 10 Business Days
$289.99 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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