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Audi B6 S4 V8 Performance Engine Parts

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Valve Guide - Priced Each

ES#2794454 - IEVTVA1 - Valve Guide - Priced Each - Upgrade to new bronze alloy valve guides - Integrated Engineering - Audi Volkswagen

Upgrade to new bronze alloy valve guides 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#:
2794454
Mfg#:
IEVTVA1
Back Ordered
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Gasket Plus

ES#523192 - GAS016 - Power Gasket Plus - Gaskets will deflect heat and reduce air intake temps. - New South Performance - Audi

Gaskets will deflect heat and reduce air intake temps.

Brand:
New South Performance - Corporate Logo
ES#:
523192
Mfg#:
GAS016
Ships on Sep 30, 2026
$80.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FSB WMI Controller - V3 For Charge Pipe Injection (CPI)

ES#3514866 - FSB-CPI - FSB WMI Controller - V3 For Charge Pipe Injection (CPI) - Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! - Burger Motorsports - Audi BMW Volkswagen MINI

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! For use in setups where charge pipe injection is being utilized.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514866
Mfg#:
FSB-CPI
Ships on Sep 30, 2026
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Inlet Hose

ES#2966730 - 034-112-6013 - Silicone Inlet Hose - Upgraded silicone hose from the MAF sensor to the throttle body - 034Motorsport - Audi

Upgraded silicone hose from the MAF sensor to the throttle body 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2966730
Mfg#:
034-112-6013
In Stock
$120.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Tee Adapter Fitting

ES#4376612 - SN0-82040R - Snow Performance Tee Adapter Fitting - 1/4" tee fitting for water/methanol lines - SnowPerformance - Audi BMW Volkswagen MINI Porsche

1/4" tee fitting for water/methanol lines

Brand:
SnowPerformance - Corporate Logo
ES#:
4376612
Mfg#:
SN0-82040R
In Stock at Vendor
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Switch

ES#2826277 - 81014 - Boost Switch - Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.

Brand:
SnowPerformance - Corporate Logo
ES#:
2826277
Mfg#:
81014
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hobb's Switch

ES#3520735 - ACC-HOBBS - Hobb's Switch - 15 PSI - Fuel-It! - Audi BMW Volkswagen MINI Porsche

15 PSI

Brand:
Fuel-It! - Corporate Logo
ES#:
3520735
Mfg#:
ACC-HOBBS
Ships on Sep 30, 2026
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Port Injection Plugs

ES#4690214 - PRINJPLGS - Port Injection Plugs - Use these in replacement of any standard short body EV14 style injector. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Use these in replacement of any standard short body EV14 style injector.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690214
Mfg#:
PRINJPLGS
Ships in 9 Business Days
Starting at $9.99 USD
Customize
Free Shipping
on orders $49 and up

10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Black

ES#4846418 - CMBVLRPSH01BK - 10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Black - Allows perfect fixation of the fuel pressure regulator in the desired location. - SPA Performance - Audi Volkswagen

Allows perfect fixation of the fuel pressure regulator in the desired location.

Brand:
SPA Performance - Corporate Logo
ES#:
4846418
Mfg#:
CMBVLRPSH01BK
In Stock
ON SALE!
$94.99

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

$89.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMC Performance Air Filter

ES#3195214 - FB279/01 - BMC Performance Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - BMC - Audi

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime

Brand:
BMC - Corporate Logo
ES#:
3195214
Mfg#:
FB279/01
Back Ordered
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

No-Toil Foam Filter Oil

ES#3546630 - nt0-aerosolKT - No-Toil Foam Filter Oil - For use with ITG foam filters - No T-oil - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For use with ITG foam filters

Brand:
No T-oil
ES#:
3546630
Mfg#:
NT0-AEROSOLKT
In Stock
$17.00

This product was last offered at the strikethrough price on
05-27-2026

$16.99 USD
Free Shipping
on orders $49 and up

Pro 5 R Drop In Filter

ES#264116 - 30-10118 - Pro 5 R Drop In Filter - Featuring 5 layers of cotton gauze filtration material - AFE - Audi

Featuring 5 layers of cotton gauze filtration material

Brand:
AFE - Corporate Logo
ES#:
264116
Mfg#:
30-10118
Ships in 4 Business Days
ON SALE! SAVE 15%
$91.00

This product was last offered at the strikethrough price on
09-01-2026

$77.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Injection Hose - 20'

ES#4715254 - BMS-WMI-IL - Water/Methanol Injection Hose - 20' - Replacement WMI Water Injection Hose - Burger Motorsports - Audi BMW Volkswagen MINI

Replacement WMI Water Injection Hose

Brand:
Burger Motorsports - Corporate Logo
ES#:
4715254
Mfg#:
BMS-WMI-IL
In Stock
$31.99 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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