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Air and Fuel Delivery > Water Injection System and Components
Water Injection Reservoir
Water / Methanol Injection Flow Gauge
Water / Methanol Injection Mount
Water / Methanol Injection Nozzle
Water / Methanol Injection Pump
Water / Methanol Injection System
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Aluminum Bungs (1)
Fittings (2)
Fuel Fittings and Adapters (2)
Hardware - Singles (1)
Injection Fluid (2)
Injection Pump Components (1)
Injection Pumps & Controllers (10)
Nitrous Filters (1)
Reservoirs (9)
Sensor Fittings and Adapters (1)
Steel Bungs (1)
Vehicle Parts (1)
Water / Methanol Injection (29)
Water Meth Components (14)
Water Meth Kits (24)
Water Meth Nozzles (7)
Water Meth Plates (4)
Brand
Nitrous Express (47)
Snow Performance (61)
VP Racing (2)
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Air and Fuel Delivery (110)
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Water Injection System and Components (110)
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Product Type
Aluminum Bungs (1)
Fittings (2)
Fuel Fittings and Adapters (2)
Hardware - Singles (1)
Injection Fluid (2)
Injection Pump Components (1)
Injection Pumps & Controllers (10)
Nitrous Filters (1)
Reservoirs (9)
Sensor Fittings and Adapters (1)
Steel Bungs (1)
Vehicle Parts (1)
Water / Methanol Injection (29)
Water Meth Components (14)
Water Meth Kits (24)
Water Meth Nozzles (7)
Water Meth Plates (4)
Brand
Nitrous Express (47)
Snow Performance (61)
VP Racing (2)
Product Category
Air and Fuel Delivery (110)
Product Subcategory
Water Injection System and Components (110)
Year
2015 (1)
2016 (1)
2017 (1)
2018 (1)
2019 (1)
2020 (1)
Make
Subaru (1)
Model
WRX STI (1)
Submodel
Base (1)
Launch Edition (1)
Limited (1)
S209 (1)
Series.HyperBlue (1)
Sport (1)
Sport-tech (1)
STI (1)
Type RA (1)
Price
$USD
to
$USD
Base
129872 (1)
134792 (1)
140564 (1)
143502 (1)
146850 (1)
148816 (1)
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110 products
Save $97.91
+ Quick add
Snow Performance
| MPN: SNO-40014-BRD
Snow Performance Water Tank Upgrade 2.5gal Braided SS Line w/Bracket/Solenoid/Hose/Fittings SNO-40014-BRD
Sale price
$244.79 USD
Regular price
$342.70 USD
Save $11.04
+ Quick add
Snow Performance
| MPN: SNO-40900LHA
Snow Performance Lower Housing Assembly (For 40900 Pump) SNO-40900LHA
Sale price
$32.26 USD
Regular price
$43.30 USD
Save $11.04
+ Quick add
Snow Performance
| MPN: SNO-40900VHA
Snow Performance Valve Housing Assembly (For 40900 Pump) SNO-40900VHA
Sale price
$32.26 USD
Regular price
$43.30 USD
Sold out
Snow Performance
| MPN: SNO-40175
Snow Performance Number 3 Nozzle - 175 ml/min SNO-40175
Sale price
$29.75 USD
Save $145.05
+ Quick add
Snow Performance
| MPN: SNO-15153
Snow Performance 4150 Shear Water Plate SNO-15153
Sale price
$362.61 USD
Regular price
$507.66 USD
Save $11.04
+ Quick add
Snow Performance
| MPN: SNO-40900UHA-B
Snow Performance Upper Housing Assembly (For 40900 Pump Braided) SNO-40900UHA-B
Sale price
$32.26 USD
Regular price
$43.30 USD
Sold out
Snow Performance
| MPN: SNO-40100
Snow Performance Number 2 Nozzle - 100 ml/min SNO-40100
Sale price
$29.75 USD
Save $47.92
+ Quick add
Snow Performance
| MPN: SNO-40082
Snow Performance 2015+ Subaru WRX Throttle Body Spacer Injection Plate SNO-40082
Sale price
$119.78 USD
Regular price
$167.70 USD
Save $83.33
+ Quick add
Snow Performance
| MPN: SNO-40015
Snow Performance 10 Gallon Tool Box Style Reservoir (incl. brackets/check valve/tubing) SNO-40015
Sale price
$208.33 USD
Regular price
$291.66 USD
Save $11.04
+ Quick add
Snow Performance
| MPN: SNO-40900UHA
Snow Performance Upper Housing Assembly (For 40900 Pump Push-Loc) SNO-40900UHA
Sale price
$32.26 USD
Regular price
$43.30 USD
Save $83.33
+ Quick add
Snow Performance
| MPN: SNO-94500
Snow Performance 4 Cylinder Direct Port Upgrade (No Nozzles) SNO-94500
Sale price
$208.33 USD
Regular price
$291.66 USD
Sold out
Snow Performance
| MPN: SNO-40600
Snow Performance Number 1 Nozzle - 60 ml/min SNO-40600
Sale price
$29.75 USD
Save $716.29
+ Quick add
Snow Performance
| MPN: SNO-940-BRD
Snow Performance Holley High Ram Plenum Plate Direct Port Water System w/VC-50 Controller SNO-940-BRD
Sale price
$1,790.71 USD
Regular price
$2,507.00 USD
Save $124.99
+ Quick add
Snow Performance
| MPN: SNO-94700
Snow Performance 8 Cylinder Direct Port Upgrade SNO-94700
Sale price
$312.50 USD
Regular price
$437.49 USD
Save $104.17
+ Quick add
Snow Performance
| MPN: SNO-94600
Snow Performance 6 Cylinder Direct Port Upgrade SNO-94600
Sale price
$260.41 USD
Regular price
$364.58 USD
Save $104.17
+ Quick add
Snow Performance
| MPN: SNO-40016-BRD
Snow Performance Water Tank Upgrade 7gal (w/Braided SS Line/Brackets/Solenoid/4AN Fittings) SNO-40016-BRD
Sale price
$260.41 USD
Regular price
$364.58 USD
+ Quick add
Nitrous Express
| MPN: 15724
Nitrous Express Motorcycle Fuel Tank Bung for 1/4in Rubber Hose 15724
Sale price
$54.45 USD
+ Quick add
Nitrous Express
| MPN: 15048
Nitrous Express Water Electric Pump 15048
Sale price
$202.54 USD
+ Quick add
Nitrous Express
| MPN: 15125H
Nitrous Express Direct Port Water Injection 4 Cyl Stage 2 w/Hardlines 15125H
Sale price
$1,399.38 USD
+ Quick add
Nitrous Express
| MPN: 15130H
Nitrous Express Direct Port Water Injection 4 Cyl Stage 3 w/Hardlines 15130H
Sale price
$1,896.25 USD
+ Quick add
Nitrous Express
| MPN: 15127H
Nitrous Express Direct Port Water Injection 8 Cyl Stage 2 w/Hardlines 15127H
Sale price
$2,066.56 USD
+ Quick add
Nitrous Express
| MPN: 15126H
Nitrous Express Direct Port Water Injection 6 Cyl Stage 2 w/Hardlines 15126H
Sale price
$1,399.38 USD
Sold out
Nitrous Express
| MPN: 15120H
Nitrous Express Direct Port Water Injection 4 Cyl Stage 1 w/Hardlines 15120H
Sale price
$1,200.94 USD
+ Quick add
Nitrous Express
| MPN: 15122H
Nitrous Express Direct Port Water Injection 8 Cyl Stage 1 w/Hardlines 15122H
Sale price
$1,700.94 USD
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