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

Revo B9 TFSI Intercooler

ES#4499832 - RA841M100000 - Revo B9 TFSI Intercooler - Only The Driven know that the cooler the air, the more power produced. - REVO - Audi

Only The Driven know that the cooler the air, the more power produced.

Brand:
REVO - Corporate Logo
ES#:
4499832
Mfg#:
RA841M100000
Back Ordered
$819.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

rear HPS 5.0 Performance Brake Pad Set

ES#2748704 - HB364B.642 - rear HPS 5.0 Performance Brake Pad Set - Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust and noise - Hawk - Audi Volkswagen

Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust and noise

Brand:
Hawk - Corporate Logo
ES#:
2748704
Mfg#:
HB364B.642
In Stock at Vendor
$162.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ferrea Valve Spring/Retainer Kit

ES#2794059 - FERFSISRKIT - Ferrea Valve Spring/Retainer Kit - Valve springs and retainers are a MUST for high revving engines! - Ferrea - Audi Volkswagen

Valve springs and retainers are a MUST for high revving engines!

Brand:
Ferrea - Corporate Logo
ES#:
2794059
Mfg#:
FERFSISRKIT
Back Ordered
$813.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rocker Panel Side Blade Kit

ES#2712948 - 8K0854932AGRUKT - Rocker Panel Side Blade Kit - Add a unique look plus rocker protection - Genuine Volkswagen Audi - Audi

Add a unique look plus rocker protection For standard models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2712948
Mfg#:
8K0854932AGRUKT
Ships in 1 day
$811.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers (Black) - 8mm (1 Pair) - Version 2

ES#4147947 - 1655572SW - DR Series Wheel Spacers (Black) - 8mm (1 Pair) - Version 2 - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits front only

Brand:
H&R - Corporate Logo
ES#:
4147947
Mfg#:
1655572SW
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
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RA4 Single Mass Flywheel Kit

ES#12084 - ECS212321B5KT - RA4 Single Mass Flywheel Kit - Engineered to convert your 1.8T clutch to the much more durable S4 clutch - ECS - Audi Volkswagen

Engineered to convert your 1.8T clutch to the much more durable S4 clutch 10X Entries For Our 25th Anniversary Sweepstakes!

To be used with RA4 240MM, S4, & RS4 clutch kits only

Brand:
ECS - Corporate Logo
ES#:
12084
Mfg#:
ECS212321B5KT
Ships on Sep 14, 2026
Auto Notify
ON SALE! SAVE 25%
$536.99

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

$402.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Delete Plug Set - Audi B5 A4 - M14 Thread

ES#4491559 - 012417LA02 - Front Axle Delete Plug Set - Audi B5 A4 - M14 Thread - Easily allows the removal of front axles when converting your B5 A4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of front axles when converting your B5 A4 to RWD (rear wheel drive) from Quattro 10X Entries For Our 25th Anniversary Sweepstakes!
Up To VIN 8D-1-050001, split is in the 2001 model year

Brand:
ECS - Corporate Logo
ES#:
4491559
Mfg#:
012417LA02
In Stock
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/A5 2.0T Performance Pack - Level 1

ES#4016990 - b820tpplvl1KT - B8 A4/A5 2.0T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4016990
Mfg#:
B820TPPLVL1KT
Ships on Dec 30, 2026
ON SALE! SAVE 14%
$464.99

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

$401.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiseco Performance Piston Set

ES#2793900 - WIS18TK563M82 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 82mm bore, 9:8 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 82mm bore, 9:8 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2793900
Mfg#:
WIS18TK563M82
Back Ordered
$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiseco Performance Piston Set

ES#2794721 - WIS18TK563M81 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9:1 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2794721
Mfg#:
WIS18TK563M81
Back Ordered
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Drive Train Stabilizer (DTS) for B5 A4/S4 and C5 A6

The JHM DTS is a straight bolt on upgrade using factory mounting points already on your car. NO cutting or welding needed!

Brand:
JH Motorsports - Corporate Logo
ES#:
4045938
Mfg#:
B5C5DTS
Ships in 2 Business Days
$399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount Kit

ES#4140455 - cts-em-b8-50dKT - CTS Street Sport Engine Mount Kit - 50 Durometer rubber construction - Set of two mounts for left and right sides - CTS - Audi

50 Durometer rubber construction - Set of two mounts for left and right sides

Brand:
CTS - Corporate Logo
ES#:
4140455
Mfg#:
CTS-EM-B8-50DKT
Back Ordered
Auto Notify
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front & Rear Sway Bar Kit

ES#5290 - 22801 - Performance Front & Rear Sway Bar Kit - Includes the front & rear sways bars with installation hardware - Hotchkis - Audi

Includes the front & rear sways bars with installation hardware

Brand:
Hotchkis - Corporate Logo
ES#:
5290
Mfg#:
22801
Back Ordered
$798.99 USD
This product is lifetime replacement eligible Lifetime Replacement

FX400 (8-puck) Single Disc Clutch Kits

ES#2828949 - 02025HDCL - FX400 (8-puck) Single Disc Clutch Kits - Built to OEM specifications to work with factory oem flywheel - Clutch Masters - Audi

Built to OEM specifications to work with factory oem flywheel For use with factory OEM flywheel

Brand:
Clutch Masters - Corporate Logo
ES#:
2828949
Mfg#:
02025HDCL
Ships in 7 Business Days
$794.99 USD
Free Shipping
on orders $49 and up

Pro-Kit Lowering Springs - Set

ES#4348722 - 15105.140 - Pro-Kit Lowering Springs - Set - Aggressive look with high performance handling - Average lowering of 1.4"F 1.2" R - Eibach - Audi

Aggressive look with high performance handling - Average lowering of 1.4"F 1.2" R

Brand:
Eibach - Corporate Logo
ES#:
4348722
Mfg#:
15105.140
In Stock at Vendor
10% off MSRP

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

$439.99

This product was last offered at the strikethrough price on
07-29-2026

$395.00 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 ECS Tuning is part of Enthusiast Auto Holdings