Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Performance Parts & Upgrades

Sort By
Filter By
Return to Top

ECS Wheel Spacer & Bolt Kit - 4mm With Conical Seat Bolts

ES#2568226 - ECS10153KTWBC - ECS Wheel Spacer & Bolt Kit - 4mm With Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2568226
Mfg#:
ECS10153KTWBC
Ships on Jan 11, 2027
ON SALE! SAVE 25%
$124.99

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

$93.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 8mm (Pair)

ES#2785217 - 002411ecs04a08KT - ECS Wheel Spacers - 8mm (Pair) - Add some flair to your Audi with our new wheel-centric spacers - ECS - Audi

Add some flair to your Audi with our new wheel-centric spacers 10X Entries Into Our F80 M3 Sweepstakes
Designed to be used with OE wheels only

Brand:
ECS - Corporate Logo
ES#:
2785217
Mfg#:
002411ECS04A08KT
Ships on Mar 5, 2027
ON SALE!
$95.99

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

$93.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FP34 Surge Tank Hardware Kit - Nipple Connections

ES#3419781 - 034-106-Z024 - FP34 Surge Tank Hardware Kit - Nipple Connections - Allows for connections to factory style nipple connections for 5/16" or 8mm hose - 034Motorsport - Audi Volkswagen

Allows for connections to factory style nipple connections for 5/16" or 8mm hose 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3419781
Mfg#:
034-106-Z024
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacer - 5mm (1 Pair)

ES#153 - 1055571 - DR Series Wheel Spacer - 5mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
153
Mfg#:
1055571
In Stock
10% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
10-01-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 8mm (1 Pair) Black

Fine tune your stance and improve handling

Brand:
H&R - Corporate Logo
ES#:
5386619
Mfg#:
1655571SW
In Stock
10% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
07-01-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 8mm (Pair)

ES#245 - 16255571 - DR Series Wheel Spacers - 8mm (Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
245
Mfg#:
16255571
Ships in 3 Business Days
10% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
10-01-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacer - 3mm (1 Pair) - Black

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4475255
Mfg#:
0655571SW
Ships in 3 Business Days
10% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
07-01-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Intake Elbow Heater Bypass Kit

ES#4045920 - 42L42vBP - JHM Intake Elbow Heater Bypass Kit - Stop the unnecessary heat soak near your throttle body! - JH Motorsports - Audi

Stop the unnecessary heat soak near your throttle body! Not for vehicles that are driven in cold climates.

Brand:
JH Motorsports - Corporate Logo
ES#:
4045920
Mfg#:
42L42VBP
Ships in 2 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Front Upper Strut Mount - Pair

ES#5471138 - 034-601-1000KT - Density Line Front Upper Strut Mount - Pair - Approximately twice as stiff as stock, for increased firmness and vehicle control - 034Motorsport - Audi

Approximately twice as stiff as stock, for increased firmness and vehicle control 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5471138
Mfg#:
034-601-1000KT
In Stock
$88.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pulley Hardware Kit

ES#3142418 - N90308607KT4 - Power Steering Pulley Hardware Kit - Includes brand new hardware to secure the power steering pulley to the pump - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure the power steering pulley to the pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142418
Mfg#:
N90308607KT4
In Stock
$15.99

This product was last offered at the strikethrough price on
06-23-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Bushing Kit

ES#3603476 - 034-402-Z019 - Rear Sway Bar Bushing Kit - Rebuild kit for the 034Motorsport adjustable rear sway bar - 034Motorsport - Audi

Rebuild kit for the 034Motorsport adjustable rear sway bar 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3603476
Mfg#:
034-402-Z019
Ships in 2 Business Days
$29.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 20mm (Pair)

ES#3575937 - SP90GB - BFI Wheel Spacers - 20mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575937
Mfg#:
SP90GB
Ships in 4 Business Days
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Pulley Installation Hardware Kit

ES#3142424 - N01473911KT4 - Lightweight Pulley Installation Hardware Kit - Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! For vehicles with Valeo style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142424
Mfg#:
N01473911KT4
Ships in 1-2 days
$88.99

This product was last offered at the strikethrough price on
06-23-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 7mm (1 Pair)

ES#3570109 - MS100154 - Wheel Spacer Kit - 7mm (1 Pair) - 7mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi Volkswagen

7mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570109
Mfg#:
MS100154
Ships in 5 Business Days
ON SALE! SAVE 11%
$92.99

This product was last offered at the strikethrough price on
09-28-2026

$82.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings