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

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713402 - 002598ECS11KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes anodized black conversion plate -w- red 2.0T coils and red hold down kit - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils and red hold down kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2713402
Mfg#:
002598ECS11KT
In Stock
ON SALE!
$366.99

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

$355.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VADpro VAD28 Versatile Automotive Display

ES#4840190 - CC31044 - VADpro VAD28 Versatile Automotive Display - One device for performance metrics, diagnostics, data logging, and more! - VADpro - Audi

One device for performance metrics, diagnostics, data logging, and more!

Brand:
VADpro - Corporate Logo
ES#:
4840190
Mfg#:
CC31044
In Stock
$710.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
Ships in 2 Business Days
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 Carbon Fiber Left Side Engine Bay Cover

ES#3570283 - 022738ecs02KT - Audi B8/B8.5 A4 Carbon Fiber Left Side Engine Bay Cover - Cover up unsightly under hood components with carbon fiber style! - ECS - Audi

Cover up unsightly under hood components with carbon fiber style! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3570283
Mfg#:
022738ECS02KT
Ships on Aug 24, 2026
Auto Notify
ON SALE! SAVE 15%
$236.99

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

$201.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Rail - black Finish

ES#2794185 - IEFUVA1BK - Billet Fuel Rail - black Finish - Performance 1 piece fuel rail with style - Integrated Engineering - Audi Volkswagen

Performance 1 piece fuel rail with style 5X Entries For Our 25th Anniversary Sweepstakes!

Requires 12mm injector extensions

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794185
Mfg#:
IEFUVA1BK
In Stock
$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front EP24 "Enthusiast Performance" Brake Pad Set

ES#4739062 - EP24-1111 - Front EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739062
Mfg#:
EP24-1111
In Stock
ON SALE! SAVE 30%
$181.99

This product was last offered at the strikethrough price on
05-02-2026

$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Underdrive Crank Pulley Kit - Silver

ES#6140 - 06F198002SLV - Lightweight Underdrive Crank Pulley Kit - Silver - Bolt on way to reclaim lost horsepower - ECS - Audi

Bolt on way to reclaim lost horsepower 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
6140
Mfg#:
06F198002SLV
In Stock
ON SALE! SAVE 10%
$194.99

This product was last offered at the strikethrough price on
05-02-2026

$175.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

STR.T Shocks & Struts Kit

ES#3234408 - 8250-8050KT - STR.T Shocks & Struts Kit - Perfect for OE replacement or will go great with lowering springs - Koni - Audi

Perfect for OE replacement or will go great with lowering springs

Brand:
Koni - Corporate Logo
ES#:
3234408
Mfg#:
8250-8050KT
In Stock at Vendor
ON SALE! SAVE 20%
$438.99

This product was last offered at the strikethrough price on
03-02-2026

$350.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4 & Alzor 19" Style 628 Wheels - Set Of Four

ES#4765928 - 027966ECS01KT - Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4 & Alzor 19" Style 628 Wheels - Set Of Four - Take control of your ride while going low with our sport-tuned coilover system and a set of wheels! - Enthusiast Bundles - Audi

Take control of your ride while going low with our sport-tuned coilover system and a set of wheels! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4765928
Mfg#:
027966ECS01KT
In Stock
ON SALE! SAVE 37%
$2236.98

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

$1399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Cat Back Exhaust System & Street Shield Aluminum Skid Plate Kit

ES#4751095 - 016837LA01EBKT - B6 A4 1.8T Cat Back Exhaust System & Street Shield Aluminum Skid Plate Kit - Enhance the sounds of your A4 and keep it protected with an ECS Tuning Street Shield - Enthusiast Bundles - Audi

Enhance the sounds of your A4 and keep it protected with an ECS Tuning Street Shield Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For 5 and 6 speed manual transmissions only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751095
Mfg#:
016837LA01EBKT
Ships in 4 Business Days
ON SALE! SAVE 16%
$1674.99

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

$1399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Street Intake Camshaft

ES#4361428 - IECVA3-1 - IE Street Intake Camshaft - IE Street Intake Camshaft for 300+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street Intake Camshaft for 300+ Horsepower Builds! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361428
Mfg#:
IECVA3-1
Ships in 4 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & Billet Aluminum Front Strut Brace and Thrust Arm Monoball Upgrade Kit

ES#4751642 - 000745LA01EBKT - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & Billet Aluminum Front Strut Brace and Thrust Arm Monoball Upgrade Kit - Features 32 way adjustable damping, variable length and zinc-coated shock bodies and provides additional support to the strut towers for flex reduction to enhance your driving experience while eliminate deflection caused by stock rubber bushings! - Enthusiast Bundles - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies and provides additional support to the strut towers for flex reduction to enhance your driving experience while eliminate deflection caused by stock rubber bushings! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For the curved control arm

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751642
Mfg#:
000745LA01EBKT
In Stock
ON SALE! SAVE 29%
$1968.97

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

$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ST XA Coilover Kit - Adjustable Dampening

ES#4389623 - 182100BM - ST XA Coilover Kit - Adjustable Dampening - ST XTA coilovers offer high performance handling with adjustable rebound dampening. - Suspension Techniques - Audi

ST XTA coilovers offer high performance handling with adjustable rebound dampening. For models with build date from 7/11/16, w/ 48.5mm front strut body

Brand:
Suspension Techniques - Corporate Logo
ES#:
4389623
Mfg#:
182100BM
Ships in 4 Business Days
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ST XA Coilover Kit - Adjustable Dampening

ES#4389619 - 182100BH - ST XA Coilover Kit - Adjustable Dampening - ST XTA coilovers offer high performance handling with adjustable rebound dampening. - Suspension Techniques - Audi

ST XTA coilovers offer high performance handling with adjustable rebound dampening. For models with build date up to 7/11/16, w/ 53mm front strut body

Brand:
Suspension Techniques - Corporate Logo
ES#:
4389619
Mfg#:
182100BH
Ships in 4 Business Days
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ST XA Performance Coilover System - Adjustable Damping

ES#4056706 - 18210058 - ST XA Performance Coilover System - Adjustable Damping - Developed alongside KW Automotive, the ST XA allows individual adjustment of the damping to suit just about all your driving needs! - Suspension Techniques - Audi

Developed alongside KW Automotive, the ST XA allows individual adjustment of the damping to suit just about all your driving needs! Fits Avant models only - Average lowering of 1.4" - 2.4" F / 1.4" to 2.6" R

Brand:
Suspension Techniques - Corporate Logo
ES#:
4056706
Mfg#:
18210058
Back Ordered
$1399.00 USD
Free Shipping

ST XA Performance Coilover System - Adjustable Damping

ES#4056710 - 18210032 - ST XA Performance Coilover System - Adjustable Damping - Developed alongside KW Automotive, the ST XA allows individual adjustment of the damping to suit just about all your driving needs! - Suspension Techniques - Audi

Developed alongside KW Automotive, the ST XA allows individual adjustment of the damping to suit just about all your driving needs! Height adjustable from 1.6" to 2.8" Front & Rear

Brand:
Suspension Techniques - Corporate Logo
ES#:
4056710
Mfg#:
18210032
Back Ordered
$1399.00 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 ECS Tuning is part of Enthusiast Auto Holdings