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Audi C4 S4 Quattro 20v T Engine Intake Parts

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Water/Methanol Injection Kit - Multi Input

ES#2972925 - 30-3350 - Water/Methanol Injection Kit - Multi Input - Increase power and efficiency while decreasing combustion temperatures - AEM Electronics - Audi BMW Volkswagen MINI

Increase power and efficiency while decreasing combustion temperatures For Naturally Aspirated Engines

Brand:
AEM Electronics - Corporate Logo
ES#:
2972925
Mfg#:
30-3350
In Stock at Vendor
11% off MSRP

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

$658.99

This product was last offered at the strikethrough price on
07-31-2026

$584.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro 5 R Restore Kit

ES#517882 - 90-50501 - Pro 5 R Restore Kit - Used for Pro 5 R filters - AFE - Audi BMW Volkswagen MINI

Used for Pro 5 R filters

Brand:
AFE - Corporate Logo
ES#:
517882
Mfg#:
90-50501
In Stock
22% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
07-31-2026

$21.00 USD
Free Shipping
on orders $49 and up
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
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 4 GPH

ES#4476205 - SN0-N0400 - Water/Methanol Nozzle - 4 GPH - 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#:
4476205
Mfg#:
SN0-N0400
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 10GPH

ES#4376610 - SN0-N1000 - Water/Methanol Nozzle - 10GPH - 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#:
4376610
Mfg#:
SN0-N1000
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up

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
In Stock at Vendor
$416.99 USD
Free Shipping
on orders $49 and up

DV Tuning Kit

ES#1832055 - FMDVTUN - DV Tuning Kit - Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit. - Forge - Audi Volkswagen

Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit.

Brand:
Forge - Corporate Logo
ES#:
1832055
Mfg#:
FMDVTUN
Ships in 4 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filter Oil & Cleaner Kit

ES#4830731 - vwr120000KT - Filter Oil & Cleaner Kit - The filter element deserves to be well looked after and be a part of your regular maintenance schedule. - Racingline - Audi Volkswagen

The filter element deserves to be well looked after and be a part of your regular maintenance schedule.

Brand:
Racingline - Corporate Logo
ES#:
4830731
Mfg#:
VWR120000KT
Back Ordered
Auto Notify
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Pressure Control Valve (PCV)

ES#2631446 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe. 19mm - Vaico - Audi Volkswagen

Located on the turbo inlet pipe. 19mm We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2631446
Mfg#:
034129101B
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Quick Connect Fitting

ES#4376613 - SN0-82082R - Snow Performance Quick Connect Fitting - 1/8NPT-1/4 - SnowPerformance - Audi BMW Volkswagen MINI

1/8NPT-1/4

Brand:
SnowPerformance - Corporate Logo
ES#:
4376613
Mfg#:
SN0-82082R
In Stock at Vendor
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Methanol Injection Ring

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
In Stock at Vendor
Starting at $0.00 USD
Customize
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
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Intake Parts

All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.

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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