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 Clear

Audi B6 A4 Quattro 1.8T

    • 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 Audi B6 A4 Quattro 1.8T
Your Vehicle Audi B6 A4 Quattro 1.8T
Change Clear

Audi B6 A4 Quattro 1.8T Performance Parts & Upgrades

Sort By
Filter By
Return to Top

RA4 240mm Clutch Conversion Kit - Stage 3

ES#5490 - B6A4RA4S3-STEEL - RA4 240mm Clutch Conversion Kit - Stage 3 - The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc - ECS - Audi

The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5490
Mfg#:
B6A4RA4S3-STEEL
Ships in 10 Business Days
$1442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 Into Our F80 M3 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

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 Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Requires 12mm injector extensions

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794185
Mfg#:
IEFUVA1BK
Ships in 4 Business Days
$175.99 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 8 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 Race Intake Camshaft

ES#4361431 - IECVA1-2 - IE Race Intake Camshaft - IE Race Intake Camshaft for 500+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Race Intake Camshaft for 500+ Horsepower Builds! Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361431
Mfg#:
IECVA1-2
Ships in 4 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
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#4023588 - 18210030 - 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 Sedan & Cabriolet models only - Average lowering of 1.4" - 2.4" F / 1.4" to 2.6" R

Brand:
Suspension Techniques - Corporate Logo
ES#:
4023588
Mfg#:
18210030
Back Ordered
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit

ES#3521687 - S-02-DS - DS Series Coilover Suspension Kit - Featuring 30 levels of adjustment and increased damping force at low speed piston velocities - BC Racing - Audi

Featuring 30 levels of adjustment and increased damping force at low speed piston velocities Fits both sedan and avant models

Brand:
BC Racing - Corporate Logo
ES#:
3521687
Mfg#:
S-02-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear EP24 "Enthusiast Performance" Brake Pad Set

ES#4739103 - EP24-340 - Rear 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 Volkswagen

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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4739103
Mfg#:
EP24-340
In Stock
ON SALE! SAVE 62%
$116.99

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

$44.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#250729 - ECS10159KTWB - ECS Wheel Spacer & Bolt Kit - 20mm With Ball 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
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
250729
Mfg#:
ECS10159KTWB
In Stock
ON SALE! SAVE 15%
$199.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 6mm With Black Ball Seat Bolts

ES#2748185 - ECS10610KTWB1 - ECS Wheel Spacer & Bolt Kit - 6mm With Black Ball 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#:
2748185
Mfg#:
ECS10610KTWB1
In Stock
ON SALE! SAVE 30%
$127.99

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

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

BR Series Coilover Suspension Kit - Extreme Low

ES#3675616 - S-02E-BR-A - BR Series Coilover Suspension Kit - Extreme Low - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving Please allow 4-6 weeks for build time
For avant models only

Brand:
BC Racing - Corporate Logo
ES#:
3675616
Mfg#:
S-02E-BR-A
Ships on Nov 2, 2026
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - Extreme Low

ES#3675615 - S-02E-BR - BR Series Coilover Suspension Kit - Extreme Low - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving Please allow 4-6 weeks for build time
For sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
3675615
Mfg#:
S-02E-BR
Ships on Nov 2, 2026
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Black

ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines *General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
$335.99 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.

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