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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Performance Engine Parts

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Cat-Back Exhaust System - Resonated

ES#2827252 - SSXAU033 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 90mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 90mm polished tips Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827252
Mfg#:
SSXAU033
Ships in 5 Business Days
ON SALE! SAVE 10%
$1856.99

This product was last offered at the strikethrough price on
08-29-2026

$1670.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat-Back Exhaust System

ES#3106950 - 140100 - Performance Cat-Back Exhaust System - 2" stainless steel with dual 3.19" polished stainless tips - Borla - Audi

2" stainless steel with dual 3.19" polished stainless tips

Brand:
Borla - Corporate Logo
ES#:
3106950
Mfg#:
140100
In Stock at Vendor
$1649.99 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Universal Catch Can Drain System

ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#1892705 - 16601 - Cat-Back Exhaust System - 2.25" stainless steel with dual 4" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 4" polished stainless tips Fits both manual & automatic transmission vehicles

Brand:
Magnaflow - Corporate Logo
ES#:
1892705
Mfg#:
16601
Back Ordered
$1521.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve Kit

ES#3647524 - ST-AIVN-1103KT - Supertech Stainless Intake Valve Kit - Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals - Assembled By ECS - Audi Volkswagen

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647524
Mfg#:
ST-AIVN-1103KT
Ships in 6 Business Days
$373.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827429 - SSXAU305 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827429
Mfg#:
SSXAU305
Ships in 5 Business Days
ON SALE! SAVE 10%
$1657.99

This product was last offered at the strikethrough price on
08-29-2026

$1491.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827430 - SSXAU306 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips Fits 6 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827430
Mfg#:
SSXAU306
Ships in 5 Business Days
ON SALE! SAVE 10%
$1657.99

This product was last offered at the strikethrough price on
08-29-2026

$1491.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium Exhaust Wrap - 2" x 50

ES#3022269 - HEA-WRAPKIT-50 - Titanium Exhaust Wrap - 2" x 50 - Designed to handle continuous temperatures up to 1,800F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,800°F

Brand:
Prosport Performance - Corporate Logo
ES#:
3022269
Mfg#:
HEA-WRAPKIT-50
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
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

Cat-Back Exhaust System

ES#3175528 - 252576T - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with Borla mufflers - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with Borla mufflers For use with aftermarket 2.5" downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175528
Mfg#:
252576T
Ships on Sep 29, 2026
$1314.50 USD
This product is lifetime replacement eligible Lifetime Replacement

VC-30 Water Methanol Controller (Boost)

ES#4623922 - SN0-60400 - VC-30 Water Methanol Controller (Boost) - Proportionally injects more or less water/methanol according to boost pressure - SnowPerformance - Audi BMW Volkswagen MINI

Proportionally injects more or less water/methanol according to boost pressure

Brand:
SnowPerformance - Corporate Logo
ES#:
4623922
Mfg#:
SN0-60400
In Stock at Vendor
$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Piston - .5mm Oversize - Set Of 4

ES#4742768 - P4-VW18T815-N4 - Supertech Piston - .5mm Oversize - Set Of 4 - Supertech .5mm oversized piston set including 20mm wrist pins. - Supertech - Audi Volkswagen

Supertech .5mm oversized piston set including 20mm wrist pins.

Brand:
Supertech - Corporate Logo
ES#:
4742768
Mfg#:
P4-VW18T815-N4
Ships on Sep 30, 2026
$638.99 USD
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
Requires 12mm injector extensions

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794185
Mfg#:
IEFUVA1BK
Ships in 4 Business Days
ON SALE! SAVE 10%
$175.99

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

$158.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Race Exhaust Camshaft

ES#4361432 - IECVA1-1 - IE Race Exhaust Camshaft - IE Race Exhaust Camshaft for 500+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Race Exhaust Camshaft for 500+ Horsepower Builds!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361432
Mfg#:
IECVA1-1
Ships in 2 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

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.

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