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Audi S4 Performance Engine Parts

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CTS Air-to-Water Intercooler Upgrade

ES#3617892 - CTS-B8S4-AWIC - CTS Air-to-Water Intercooler Upgrade - Complete replacement for restrictive factory cooler - Reduces intake and coolant temps while maintaining consistent power in extreme conditions! - CTS - Audi

Complete replacement for restrictive factory cooler - Reduces intake and coolant temps while maintaining consistent power in extreme conditions! *Fits models without adaptive suspension*

Brand:
CTS - Corporate Logo
ES#:
3617892
Mfg#:
CTS-B8S4-AWIC
In Stock
$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Walbro Universal 450lph In-Tank Fuel Pump Low Pressure

ES#3241084 - F90000274 - Walbro Universal 450lph In-Tank Fuel Pump Low Pressure - Great for when more fuel is needed in a custom fueling application - Walbro - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
Walbro - Corporate Logo
ES#:
3241084
Mfg#:
F90000274
In Stock
$137.99 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

Brand:
Scorpion - Corporate Logo
ES#:
3969400
Mfg#:
SAUP044
In Stock
$604.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row - Black

ES#2764102 - MM0CULBK - Universal Oil Cooler - 19 Row - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764102
Mfg#:
MM0CULBK
In Stock
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Turbo Inlet Pipe

ES#4620408 - 034-108-5012 - 034Motorsport Turbo Inlet Pipe - Optimize power by eliminating a critical flow restriction in the intake tract - 034Motorsport - Audi

Optimize power by eliminating a critical flow restriction in the intake tract 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4620408
Mfg#:
034-108-5012
In Stock
ON SALE! SAVE 10%
$153.00

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

$137.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - *Limited Edition* Red*

ES#4001248 - FMDV008R - 008 Premium Diverter Valve - *Limited Edition* Red* - Smaller, tougher and tuneable! *Limited edition red finish* - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable! *Limited edition red finish* Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast
2 required

Brand:
Forge - Corporate Logo
ES#:
4001248
Mfg#:
FMDV008R
Back Ordered
Auto Notify
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (187mm)

ES#4045868 - 06E105251F-187mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (187mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045868
Mfg#:
06E105251F-187MM
Ships in 9 Business Days
Auto Notify
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade

ES#4382060 - 007911LA02KT - Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade - Unleash the true potential of your supercharger! - ECS - Audi

Unleash the true potential of your supercharger! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4382060
Mfg#:
007911LA02KT
Ships in 4 Business Days
ON SALE! SAVE 20%
$642.99

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

$514.39 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 2X Entries Into Our F80 M3 Sweepstakes
Fits manual transmission models only

Brand:
CSF - Corporate Logo
ES#:
3220600
Mfg#:
7071
In Stock
$559.00 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. 10X Entries Into Our F80 M3 Sweepstakes
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

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. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858461
Mfg#:
034-145-Z047
In Stock
ON SALE! SAVE 15%
$692.00

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

$591.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Non-Resonated Downpipes - Audi 3.0T

ES#4043944 - 3220-11010 - AWE Non-Resonated Downpipes - Audi 3.0T - Suited for owners seeking a "loud" and aggressive sounding system. - AWE - Audi

Suited for owners seeking a "loud" and aggressive sounding system. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4043944
Mfg#:
3220-11010
In Stock
ON SALE! SAVE 11%
$745.00

This product was last offered at the strikethrough price on
08-23-2026

$666.55 USD
Free Shipping
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! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864558
Mfg#:
034-108-1002-CF
Ships in 2 Business Days
ON SALE! SAVE 10%
$595.00

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

$535.50 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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