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

Silicone Intake Tract Set

ES#3149380 - 018325ecs01KT - Silicone Intake Tract Set - Includes oversized silicone pipes from the turbo inlet to the throttle body - ECS - Audi

Includes oversized silicone pipes from the turbo inlet to the throttle body 10X Entries For Our 25th Anniversary Sweepstakes!
For use with the OEM intercooler

Brand:
ECS - Corporate Logo
ES#:
3149380
Mfg#:
018325ECS01KT
In Stock
ON SALE! SAVE 15%
$322.99

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

$274.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Black Conical Seat Bolts

ES#2748289 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748289
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

Stage 2 Endurance Clutch Kit

ES#3106531 - k70350fhdofeKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 450ft/lbs. - South Bend Clutch - Audi

Designed for track use while still streetable. Conservatively rated at 450ft/lbs. Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106531
Mfg#:
K70350FHDOFEKT
Ships on Aug 13, 2026
$1367.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing With Removal Tool - Silver Anodized

ES#2608273 - 06D115408AKT - Billet Aluminum Oil Filter Housing With Removal Tool - Silver Anodized - Aluminum replacement for plastic OE filter housing with 36mm socket - Assembled By ECS - Audi Volkswagen

Aluminum replacement for plastic OE filter housing with 36mm socket 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608273
Mfg#:
06D115408AKT
In Stock
ON SALE! SAVE 18%
$175.99

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

$143.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts

ES#2748189 - ECS10612KTWB1 - ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts - Comes with everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Comes with everything you need to install spacers on two wheels 10X Entries For Our 25th Anniversary 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#:
2748189
Mfg#:
ECS10612KTWB1
In Stock
ON SALE! SAVE 25%
$134.99

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

$101.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5 4" Direct-Fit Exhaust Tips - Chrome - Pair

ES#3476950 - 019490ecs02KT - B9 A4/A5 4" Direct-Fit Exhaust Tips - Chrome - Pair - A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary - ECS - Audi

A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3476950
Mfg#:
019490ECS02KT
In Stock
ON SALE!
$147.98

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

$143.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#2092125 - 15210075 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound 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#:
2092125
Mfg#:
15210075
Back Ordered
$2724.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#2102340 - 15210078 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits avant 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#:
2102340
Mfg#:
15210078
Back Ordered
$2724.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X-Clear Driveshaft Tunnel Brace

ES#4381928 - 034-603-0029 - X-Clear Driveshaft Tunnel Brace - Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. - 034Motorsport - Audi

Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration.

Brand:
034Motorsport - Corporate Logo
ES#:
4381928
Mfg#:
034-603-0029
In Stock
$151.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2793894 - IERHVT2 - Forged H-Beam Connecting Rods - Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) - Integrated Engineering - Audi Volkswagen

Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) 5X Entries For Our 25th Anniversary Sweepstakes!

To be used with aftermarket pistons with 21mm wrist pin only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793894
Mfg#:
IERHVT2
Ships in 5 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

performance Lightweight Flywheel Kit - Stage 2 Daily Clutch Kit

ES#2807486 - 003485ECS01AKT4 - performance Lightweight Flywheel Kit - Stage 2 Daily Clutch Kit - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 375ft/lbs - ECS - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 375ft/lbs 10X Entries For Our 25th Anniversary Sweepstakes!

Up to VIN 8K-9-066499, split is in the 2009 model year

Brand:
ECS - Corporate Logo
ES#:
2807486
Mfg#:
003485ECS01AKT4
Ships on Sep 25, 2026
Auto Notify
ON SALE! SAVE 10%
$3014.99

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

$2713.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport StreetSport Engine Mounts - Pair

ES#4846368 - 034-509-0089 - Motorsport StreetSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.

Brand:
034Motorsport - Corporate Logo
ES#:
4846368
Mfg#:
034-509-0089
Ships in 3 Business Days
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Upper Control Arm Kit

ES#3639298 - 81353 - Adjustable Front Upper Control Arm Kit - Corrects camber to eliminate inner tire wear - SPC - Audi Volkswagen

Corrects camber to eliminate inner tire wear

Brand:
SPC - Corporate Logo
ES#:
3639298
Mfg#:
81353
Ships in 5 Business Days
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Sportline Suspension System

ES#2983808 - 46-183521 - Bilstein B12 Sportline Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 2X Entries For Our 25th Anniversary Sweepstakes!
For Sedan models. Lowers 45mm front, 35mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2983808
Mfg#:
46-183521
Ships on Dec 4, 2026
$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ StreetSport Rear Brake Pad Set

ES#4845283 - 034-302-0027 - 034Motorsport Dynamic+ StreetSport Rear Brake Pad Set - Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! - 034Motorsport - Audi

Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power!

Brand:
034Motorsport - Corporate Logo
ES#:
4845283
Mfg#:
034-302-0027
In Stock
$245.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Front Lip Spoiler With Trunk Spoiler

ES#4750957 - 028802ECSEBKT - Audi B9 A4/S4 Front Lip Spoiler With Trunk Spoiler - Upgrade your exterior styling! - Enthusiast Bundles - Audi

Upgrade your exterior styling! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For S-Line models only. Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750957
Mfg#:
028802ECSEBKT
In Stock
ON SALE! SAVE 32%
$655.78

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

$449.00 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