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Audi A4 Performance Engine Parts

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Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each

ES#3647471 - ST-AEVI-1103S - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647471
Mfg#:
ST-AEVI-1103S
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 1.5GPH

ES#4476206 - SN0-N0150 - Water/Methanol Nozzle - 1.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4476206
Mfg#:
SN0-N0150
Ships in 1 Business Day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Muffler Delete Pipe

ES#2996368 - FMMD2 - Turbo Muffler Delete Pipe - Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete - Forge - Audi Volkswagen

Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete

Brand:
Forge - Corporate Logo
ES#:
2996368
Mfg#:
FMMD2
In Stock
$220.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Mount Kit

ES#3183382 - 034-509-0007KT3 - Performance Engine Mount Kit - Includes 034Motorsport Street Density mounts, ECS polyurethane snub mount, and hardware - Assembled By ECS - Audi

Includes 034Motorsport Street Density mounts, ECS polyurethane snub mount, and hardware 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with electronically monitored engine mounts.

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183382
Mfg#:
034-509-0007KT3
In Stock
ON SALE!
$458.99

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

$440.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 14GPH

ES#4505337 - SN0-N1400 - Water/Methanol Nozzle - 14GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4505337
Mfg#:
SN0-N1400
In Stock
Limited Qty Sale
$31.99

This product was last offered at the strikethrough price on
09-28-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647523 - ST-AEVI-1106SKT - Supertech Inconel Exhaust Valve Kit - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647523
Mfg#:
ST-AEVI-1106SKT
Back Ordered
$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MST Performance Cold Air Intake System

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.

Brand:
MST Performance - Corporate Logo
ES#:
4440480
Mfg#:
AD-A403
Special Order: No Guaranteed ETA
$429.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MST Performance Cold Air Intake System

ES#4440481 - AD-A405 - MST Performance Cold Air Intake System - Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood. - MST Performance - Audi

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood.

Brand:
MST Performance - Corporate Logo
ES#:
4440481
Mfg#:
AD-A405
Special Order: No Guaranteed ETA
$426.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Transmission Mount - Priced each

ES#4830811 - CTS-TM-AUDI3-50D - Street Transmission Mount - Priced each - A perfect upgrade for your factory mounts - CTS - Audi

A perfect upgrade for your factory mounts For Vehicles with Tiptronic transmissions only

Brand:
CTS - Corporate Logo
ES#:
4830811
Mfg#:
CTS-TM-AUDI3-50D
Ships in 8 Business Days
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Universal Oil Catch Can - AN Fittings

ES#4487795 - MS100218 - APR Universal Oil Catch Can - AN Fittings - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen Porsche

Universal/Service part for APR's MS100199 full catch can system Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships on Nov 5, 2026
ON SALE! SAVE 10%
$234.99

This product was last offered at the strikethrough price on
09-28-2026

$211.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Hose Kit

ES#3438894 - 210001045 - Silicone Intercooler Hose Kit - Includes 2 silicone hoses and 4 hose clamps - Wagner Tuning - Audi

Includes 2 silicone hoses and 4 hose clamps *Replacement hoses/clamps for Wagner Intercooler Kit 200001045 - Fitment only verified with Wagner Intercooler*

Brand:
Wagner Tuning - Corporate Logo
ES#:
3438894
Mfg#:
210001045
Ships in 1 Business Day
$420.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

NS Performance PowerGasket - Small Port

ES#1393 - NSPG18T - NS Performance PowerGasket - Small Port - Gaskets will deflect heat and reduce air intake temps - New South Performance - Audi Volkswagen

Gaskets will deflect heat and reduce air intake temps Up to the 2003 model year

Brand:
New South Performance - Corporate Logo
ES#:
1393
Mfg#:
NSPG18T
Back Ordered
$70.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Motorsport Extended Tip Matched 925cc Injectors - Set Of Four

ES#4920259 - 501-0030 - Bosch Motorsport Extended Tip Matched 925cc Injectors - Set Of Four - Proprietary spray pattern perfect for use in EA888.3 & center fire BMW manifolds - Precision Raceworks - Audi Volkswagen

Proprietary spray pattern perfect for use in EA888.3 & center fire BMW manifolds Replacement injectors for vehicles with MPI only.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4920259
Mfg#:
501-0030
Ships in 10 Business Days
$419.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler DI Water Methanol Controller

ES#4001266 - SN0-60300 - Stage 3 Boost Cooler DI Water Methanol Controller - 2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V) - SnowPerformance - Audi BMW Volkswagen MINI Porsche

2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V)

Brand:
SnowPerformance - Corporate Logo
ES#:
4001266
Mfg#:
SN0-60300
Ships in 2 Business Days
$416.99 USD
Free Shipping
on orders $49 and up

High Flow Water Methanol Check Valve

ES#3988118 - Sn0-8cv-qc - High Flow Water Methanol Check Valve - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen MINI

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.

Brand:
SnowPerformance - Corporate Logo
ES#:
3988118
Mfg#:
SN0-8CV-QC
In Stock at Vendor
$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.

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.

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