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Audi S4 Performance Engine Parts

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Stage II Software Upgrade - For Existing APR Stage 1 Customer

ES#3219307 - 30tfsiupgradeKT - Stage II Software Upgrade - For Existing APR Stage 1 Customer - Upgrades existing APR Stage I software to Stage II Supercharger Pulley upgrade software - APR - Audi

Upgrades existing APR Stage I software to Stage II Supercharger Pulley upgrade software Call In Or Chat For Best Price!
For use with the APR Supercharger Pulley Upgrades - Existing APR Stage 1 software must be present for thi

Brand:
APR - Corporate Logo
ES#:
3219307
Mfg#:
30TFSIUPGRADEKT
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

24-270X Accusump Pro Electric Valve Kit

ES#4056090 - 24-270X - 24-270X Accusump Pro Electric Valve Kit - Allows convenient remote operation of Accusump in street, drag race and pre-oiling applications - Canton Racing - Audi BMW Volkswagen MINI

Allows convenient remote operation of Accusump in street, drag race and pre-oiling applications

Brand:
Canton Racing - Corporate Logo
ES#:
4056090
Mfg#:
24-270X
Ships on Sep 18, 2026
17% off MSRP

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

$297.60

This product was last offered at the strikethrough price on
08-27-2026

$248.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1 Gallon Methanol Tank - Clear/White

ES#3514828 - 1G-MT-CL - 1 Gallon Methanol Tank - Clear/White - Inexpensive, compact, and easy to mount. - Burger Motorsports - Audi BMW Volkswagen MINI

Inexpensive, compact, and easy to mount.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514828
Mfg#:
1G-MT-CL
In Stock
$30.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley Hardware Kit

ES#271279 - 028903320C - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Genuine Volkswagen Audi - Audi Volkswagen

A new washer and nut to install your pulley For use with Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271279
Mfg#:
028903320C
Ships in 1 day
11% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
08-27-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Intake Hose Kit - Red

ES#740 - tb756757red - Upper Intake Hose Kit - Red - Replaces both connecting hoses off of the 'Y' pipe - Samco - Audi

Replaces both connecting hoses off of the 'Y' pipe

Brand:
Samco - Corporate Logo
ES#:
740
Mfg#:
TB756757RED
Ships on Nov 25, 2026
$229.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 6GPH

ES#4361434 - SN0-N0600 - Water/Methanol Nozzle - 6GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4361434
Mfg#:
SN0-N0600
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Standard Turbo Inlet Pipe Rebuild Kit - B9/B9.5 Audi S4/S5/SQ5 3.0T

ES#4905842 - 034-108-R000 - Standard Turbo Inlet Pipe Rebuild Kit - B9/B9.5 Audi S4/S5/SQ5 3.0T - Includes new replacement O-rings and Hardware for those lost or damaged during installation. - 034Motorsport - Audi

Includes new replacement O-rings and Hardware for those lost or damaged during installation. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4905842
Mfg#:
034-108-R000
In Stock
ON SALE! SAVE 14%
$7.00

This product was last offered at the strikethrough price on
08-17-2026

$5.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Bi-Pipe Set - Raw

ES#2864565 - 034-108-5001 - Stainless Steel Bi-Pipe Set - Raw - Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! - 034Motorsport - Audi

Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864565
Mfg#:
034-108-5001
Ships on Sep 21, 2026
ON SALE! SAVE 14%
$256.00

This product was last offered at the strikethrough price on
08-17-2026

$220.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0T Supercharger Pulley Removal Tool Kit

ES#4362298 - UH005-BT0 - 3.0T Supercharger Pulley Removal Tool Kit - Includes everything required to properly remove the stock supercharger pulley - Unitronic - Audi Volkswagen Porsche

Includes everything required to properly remove the stock supercharger pulley

Brand:
Unitronic - Corporate Logo
ES#:
4362298
Mfg#:
UH005-BT0
Ships in 5 Business Days
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Removal Tool

ES#2855824 - FMSCPS53TIK - Supercharger Pulley Removal Tool - Used to remove the supercharger pulley on 3.0T engines - Forge - Audi Porsche

Used to remove the supercharger pulley on 3.0T engines

Brand:
Forge - Corporate Logo
ES#:
2855824
Mfg#:
FMSCPS53TIK
Ships in 5 Business Days
$218.99 USD
Free Shipping
on orders $49 and up

Blow Off Valve - Atmospheric

ES#1832445 - FMDVWO34C - Blow Off Valve - Atmospheric - 34mm weld on dual piston atmospheric blow off valve for custom installs - Forge - Audi Volkswagen

34mm weld on dual piston atmospheric blow off valve for custom installs

Brand:
Forge - Corporate Logo
ES#:
1832445
Mfg#:
FMDVWO34C
Back Ordered
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Rail Spacer Kit

ES#3161 - ECS#152-4 - Fuel Rail Spacer Kit - Includes the necessary parts to raise your fuel rail - ECS - Audi

Includes the necessary parts to raise your fuel rail 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3161
Mfg#:
ECS#152-4
In Stock
ON SALE! SAVE 25%
$40.99

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

$30.74 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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