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 A4 Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts

ES#2748291 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748291
Mfg#:
6-ECS-024
In Stock
ON SALE! SAVE 20%
$187.99

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

$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Audi B8 A4 2.0T Dual Exit Valved Cat Back Exhaust System

ES#4487999 - 003353ECS02 - Build Your Own Audi B8 A4 2.0T Dual Exit Valved Cat Back Exhaust System - Maximum Turbo Back gains of +27 WHP and +46 WTQ of torque when equipped with APR Stage 2 ECU software and ECS Luft-Technik Intake, FMIC and Charge Pipes - ECS - Audi

Maximum Turbo Back gains of +27 WHP and +46 WTQ of torque when equipped with APR Stage 2 ECU software and ECS Luft-Technik Intake, FMIC and Charge Pipes 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4487999
Mfg#:
003353ECS02
In Stock
ON SALE!
Starting at $1204.23 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Facelift Front Lip - Splitter Style - Gloss Black

ES#4158342 - 025864ecs01aKT - Audi B8.5 S4 / A4 S-Line Facelift Front Lip - Splitter Style - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! 10X Entries Into Our F80 M3 Sweepstakes

For S-Line models from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
4158342
Mfg#:
025864ECS01AKT
In Stock
ON SALE! SAVE 25%
$359.99

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

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Valve Spring/Retainer Kit

ES#2794008 - IEVTVC3 - Performance Valve Spring/Retainer Kit - High quality performance valve springs and titanium retainers - Integrated Engineering - Audi Volkswagen

High quality performance valve springs and titanium retainers

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794008
Mfg#:
IEVTVC3
In Stock
$663.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#3187941 - 50357 - Sport Springs - Set - Finally, A performance lowering spring for your B9 chassis Audi - Offering unrivaled comfort and performance - H&R - Audi

Finally, A performance lowering spring for your B9 chassis Audi - Offering unrivaled comfort and performance We Price Match - Give Us A Call or Chat!
Average lowering of .80" front and rear for models with factory sport suspension. Average lowering of 1.6" front and rear for models without factory sport suspension

Brand:
H&R - Corporate Logo
ES#:
3187941
Mfg#:
50357
In Stock
15% off MSRP

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

$489.00

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

$415.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" High Flow Catalytic Converter

ES#2960018 - 034-105-4023 - 3.5" High Flow Catalytic Converter - Complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

Complete drop-in upgrade will bolt up to stock/Stock Fit Turbo 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2960018
Mfg#:
034-105-4023
Back Ordered
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Kit - Silver Anodized

ES#2723776 - 003602ECS01A01A - Billet Aluminum Oil Filter Housing Kit - Silver Anodized - Aluminum oil filter housing replacement for plastic OE housing - ECS - Audi Volkswagen

Aluminum oil filter housing replacement for plastic OE housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2723776
Mfg#:
003602ECS01A01A
In Stock
ON SALE! SAVE 10%
$144.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V3 Series Coilover Kit

ES#2092354 - 35210075 - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092354
Mfg#:
35210075
Back Ordered
$3394.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 / S4 Flat Side Skirts - Gloss Black

ES#4163869 - 001734la01 - Audi B9 A4 / S4 Flat Side Skirts - Gloss Black - Enhance your side profile with an aggressive look! - ECS - Audi

Enhance your side profile with an aggressive look! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4163869
Mfg#:
001734LA01
In Stock
ON SALE! SAVE 20%
$363.99

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

$291.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intercooler Add-On Kit - B8 A4/A5 2.0T

ES#3108013 - 002894ECS01KT2 - Luft-Technik Intercooler Add-On Kit - B8 A4/A5 2.0T - Add the ECS Intercooler to your high flow charge pipe kit! - ECS - Audi

Add the ECS Intercooler to your high flow charge pipe kit! 10X Entries Into Our F80 M3 Sweepstakes
For use with the ECS Tuning High Flow Aluminum Charge Pipe Kit

Brand:
ECS - Corporate Logo
ES#:
3108013
Mfg#:
002894ECS01KT2
In Stock
ON SALE! SAVE 20%
$458.99

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

$367.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Spec Mahle Motorsport Performance Pistons - 83mm Bore

ES#3111676 - MAH-PVN2 - IE Spec Mahle Motorsport Performance Pistons - 83mm Bore - Forged Alloy pistons with 22mm wrist pin with +.5mm overbore - Integrated Engineering - Audi Volkswagen

Forged Alloy pistons with 22mm wrist pin with +.5mm overbore Must bore and hone the block to exact specification to ensure the best results

Brand:
Integrated Engineering - Corporate Logo
ES#:
3111676
Mfg#:
MAH-PVN2
In Stock
$997.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate High Pressure Fuel Pump Upgrade Kit

ES#2873046 - 012570ecs01KT - Ultimate High Pressure Fuel Pump Upgrade Kit - Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware - Assembled By ECS - Audi Volkswagen

Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2873046
Mfg#:
012570ECS01KT
In Stock
$841.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

440cc Fuel Injectors - Set Of Four

ES#1866540 - 0280155968 - 440cc Fuel Injectors - Set Of Four - A drop-in injector commonly referred to as 'Green Giants' - Bosch - Audi Volkswagen

A drop-in injector commonly referred to as 'Green Giants' We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1866540
Mfg#:
0280155968
In Stock
$167.99

This product was last offered at the strikethrough price on
11-02-2026

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Damper Crankshaft Pulley

ES#2966553 - 551231 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability

Brand:
Fluidampr - Corporate Logo
ES#:
2966553
Mfg#:
551231
Ships in 5 Business Days
15% off MSRP

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

$608.94

This product was last offered at the strikethrough price on
11-04-2026

$517.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ Sway Bar Kit

ES#4643528 - 034-402-1035 - 034Motorsport Dynamic+ Sway Bar Kit - Designed to reduce body roll, improve turn-in, reduce understeer and enhance steering feel - 034Motorsport - Audi

Designed to reduce body roll, improve turn-in, reduce understeer and enhance steering feel 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4643528
Mfg#:
034-402-1035
In Stock
$717.00 USD
Free Shipping
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