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 Engine Parts

Sort By
Filter By
Return to Top

Borg Warner EFR 7670 Turbocharger

ES#3450898 - 179351 - Borg Warner EFR 7670 Turbocharger - 0.83 A/R T3 Single Scroll (Internal Wastegate) - 375hp-650hp capabilities - BorgWarner - Audi Volkswagen

0.83 A/R T3 Single Scroll (Internal Wastegate) - 375hp-650hp capabilities *To be used with custom turbocharger applications only - IE T3 flange manifold, custom fueling, tuning/software, and internals necessary*

Brand:
BorgWarner - Corporate Logo
ES#:
3450898
Mfg#:
179351
Back Ordered
19% off MSRP

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

$3664.99

This product was last offered at the strikethrough price on
09-04-2026

$2967.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B6 A4 High-flow Cat Pipe

ES#4043061 - CTSEXHTP0002B6CA - CTS Turbo B6 A4 High-flow Cat Pipe - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs

Brand:
CTS - Corporate Logo
ES#:
4043061
Mfg#:
CTSEXHTP0002B6CA
Ships on Sep 25, 2026
ON SALE! SAVE 10%
$249.99

This product was last offered at the strikethrough price on
08-26-2026

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Street Density Motor Mount Kit

ES#2864596 - 034-509-0005 - Motorsport Street Density Motor Mount Kit - The ultimate in performance and durability - 034Motorsport - Audi Volkswagen

The ultimate in performance and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864596
Mfg#:
034-509-0005
In Stock
ON SALE! SAVE 10%
$359.00

This product was last offered at the strikethrough price on
08-17-2026

$323.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Garrett GTX3584RS Turbocharger

ES#3691644 - 856804-5003S - Garrett GTX3584RS Turbocharger - Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S - Garrett - Audi Volkswagen MINI

Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
Garrett - Corporate Logo
ES#:
3691644
Mfg#:
856804-5003S
Ships in 7 Business Days
$2881.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Forged Piston And Connecting Rod Kit

ES#5444939 - CMBMVL027JG042 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 81.5mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81.5mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444939
Mfg#:
CMBMVL027JG042
Ships in 3 Business Days
ON SALE!
$949.99

This product was last offered at the strikethrough price on
08-31-2026

$902.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#2550745 - 06A103385A - Cylinder Head Bolt Set - A full set to secure your cylinder head. M10x1.5x115 - Elring - Audi Volkswagen

A full set to secure your cylinder head. M10x1.5x115 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2550745
Mfg#:
06A103385A
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

F21 Hybrid Turbocharger

ES#2840950 - f21l - F21 Hybrid Turbocharger - Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose - FrankenTurbo - Audi

Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840950
Mfg#:
F21L
Ships in 3 Business Days
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Street/Race Intake Camshaft

ES#4361429 - IECVA2-2 - IE Street/Race Intake Camshaft - IE Street/Race Intake Camshaft for 400+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street/Race Intake Camshaft for 400+ Horsepower Builds!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361429
Mfg#:
IECVA2-2
Ships in 4 Business Days
ON SALE! SAVE 10%
$349.99

This product was last offered at the strikethrough price on
09-02-2026

$314.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

252/260 High Performance 1.8L 20V Camshaft Set

ES#4768201 - EVCVSW11 - 252/260 High Performance 1.8L 20V Camshaft Set - The best overall performance upgrades for both street, and track usage - SPA Performance - Audi Volkswagen

The best overall performance upgrades for both street, and track usage

Brand:
SPA Performance - Corporate Logo
ES#:
4768201
Mfg#:
EVCVSW11
Back Ordered
Auto Notify
ON SALE!
$529.99

This product was last offered at the strikethrough price on
08-31-2026

$503.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SXV T9302 Recirculating Bypass Valve

ES#4907811 - T9302 - SXV T9302 Recirculating Bypass Valve - Direct-fit performance solution for the weak factory diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the weak factory diverter valve

Brand:
Go Fast Bits - Corporate Logo
ES#:
4907811
Mfg#:
T9302
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo Inlet Hose

ES#3134120 - 011204ECS02 - Silicone Turbo Inlet Hose - Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! - ECS - Audi Volkswagen

Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! 10X Entries Into Our F80 M3 Sweepstakes

From VIN 8E-4-000001, split is in the 2004 model year

Brand:
ECS - Corporate Logo
ES#:
3134120
Mfg#:
011204ECS02
In Stock
ON SALE! SAVE 25%
$177.99

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

$133.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro 5 R Air Intake System - Stage 2

ES#3553217 - 54-10322KT - Pro 5 R Air Intake System - Stage 2 - Add real power that you can feel - AFE - Audi

Add real power that you can feel

Brand:
AFE - Corporate Logo
ES#:
3553217
Mfg#:
54-10322KT
In Stock
$418.99

This product was last offered at the strikethrough price on
05-18-2026

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Track Density Motor Mount - Priced Each

ES#3183373 - 034-509-0007-TD - Density Line Track Density Motor Mount - Priced Each - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3183373
Mfg#:
034-509-0007-TD
In Stock
ON SALE! SAVE 10%
$132.00

This product was last offered at the strikethrough price on
08-17-2026

$118.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger

ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 6 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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