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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)
Product Category
Air and Fuel Delivery (110)
Product Subcategory
Water Injection System and Components (110)
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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)
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
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to
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Base
129872 (1)
134792 (1)
140564 (1)
143502 (1)
146850 (1)
148816 (1)
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110 products
Sold out
Save $2.62
VP Racing
| MPN: 1462
VP Racing Speed Sauce Plus Case 4/1 Gal 1462
Sale price
$33.34 USD
Regular price
$35.96 USD
Save $47.30
+ Quick add
Snow Performance
| MPN: SNO-40014
Snow Performance 2.5 Gallon Reservoir (incl. brackets/check valve/tubing) SNO-40014
Sale price
$149.56 USD
Regular price
$196.86 USD
Save $8.30
+ Quick add
Snow Performance
| MPN: SNO-825-BRD
Snow Performance Windshield Washer Reservoir Bung w/ -4AN Nipple SNO-825-BRD
Sale price
$26.25 USD
Regular price
$34.55 USD
Sold out
Snow Performance
| MPN: SNO-40625
Snow Performance Number 6 Nozzle - 625 ml/min SNO-40625
Sale price
$29.75 USD
Save $62.50
+ Quick add
Snow Performance
| MPN: SNO-40016
Snow Performance 7 Gallon Reservoir (incl. brackets/check valve/tubing) SNO-40016
Sale price
$156.24 USD
Regular price
$218.74 USD
Sold out
Snow Performance
| MPN: SNO-15035-BRD
Snow Performance Gas Carbureted 4500 Flange Stage 1 Water Inj Kit (WOT Activated SS Braided Lines) SNO-15035-BRD
Sale price
$818.23 USD
Sold out
Snow Performance
| MPN: SNO-15035-BRD-T
Snow Performance Gas Carb 4500 Flange Stage 1 Water Injection Kit (WOT SS Braided Lines w/o Tank) SNO-15035-BRD-T
Sale price
$818.23 USD
+ Quick add
Snow Performance
| MPN: SNO-15025-BRD
Snow Performance 4150 Flange Gas Stage 1 Naturally Aspirated Water Inj Kit (SS Braided 4AN Fittings) SNO-15025-BRD
Sale price
$774.16 USD
+ Quick add
Snow Performance
| MPN: SNO-15025-BRD-T
Snow Performance 4150 Flange Gas Stage 1 N/A Water Inj Kit (SS Line 4AN Fittings w/o Tank) SNO-15025-BRD-T
Sale price
$774.16 USD
+ Quick add
Snow Performance
| MPN: SNO-94702H
Snow Performance Water Direct Port for Hellcat Lid Upgrade Hardline (Nozzles Not Included) SNO-94702H
Sale price
$742.19 USD
+ Quick add
Snow Performance
| MPN: SNO-82523
Snow Performance 10 Gallon Bed Mount Brackets (Universal) SNO-82523
Sale price
$81.64 USD
Save $11.18
+ Quick add
Snow Performance
| MPN: SNO-40800-EE
Snow Performance Extreme Environment Water Pump (w/Purchase of Injection Kit) SNO-40800-EE
Sale price
$32.56 USD
Regular price
$43.74 USD
Save $15.72
+ Quick add
Snow Performance
| MPN: SNO-7005-U
Snow Performance 10000hp Water Pump Upgrade (w/Purchase of Injection Kit) SNO-7005-U
Sale price
$42.60 USD
Regular price
$58.32 USD
+ Quick add
Snow Performance
| MPN: SNO-40110-BOOT8
Snow Performance 8in Water Boot w/Nozzle Holders Installed SNO-40110-BOOT8
Sale price
$105.13 USD
Save $46.20
+ Quick add
Snow Performance
| MPN: SNO-40019
Snow Performance Hi-Flow Pump Supply Upgrade SNO-40019
Sale price
$115.49 USD
Regular price
$161.69 USD
Save $22.93
+ Quick add
Snow Performance
| MPN: SNO-40005
Snow Performance 3qt Water Tank SNO-40005
Sale price
$58.45 USD
Regular price
$81.38 USD
+ Quick add
Nitrous Express
| MPN: 15045-FK
Nitrous Express Filter Kit for DW200 Fuel Pump 15045-FK
Sale price
$34.23 USD
Sold out
VP Racing
| MPN: 1461
VP Racing Speed Sauce US Case 4/1 Gal 1461
Sale price
$45.16 USD
Save $13.73
+ Quick add
Snow Performance
| MPN: SNO-93104
Snow Performance 4 Cylinder Direct Port Water Methanol Distribution Block SNO-93104
Sale price
$38.21 USD
Regular price
$51.94 USD
Save $296.88
+ Quick add
Snow Performance
| MPN: SNO-94701H
Snow Performance Water/Methanol Direct Port Billet LT4 Lid w/Upgrade Hardlines(Nozzles Not Included) SNO-94701H
Sale price
$742.19 USD
Regular price
$1,039.07 USD
Save $296.88
+ Quick add
Snow Performance
| MPN: SNO-94703H
Snow Performance Water/Methanol Direct Port For Hi-Ram Spacer Upgrade (No Nozzles)(Hardline) SNO-94703H
Sale price
$742.19 USD
Regular price
$1,039.07 USD
Save $81.64
+ Quick add
Snow Performance
| MPN: SNO-40900-QC
Snow Performance Extreme Environment 300psi UHO Water Injection Pump SNO-40900-QC
Sale price
$204.09 USD
Regular price
$285.73 USD
Save $287.29
+ Quick add
Snow Performance
| MPN: SNO-15035
Snow Performance Water Injection Gas Carbureted 4500 Flange Stage 1 WOT Activated SNO-15035
Sale price
$718.23 USD
Regular price
$1,005.52 USD
Save $269.66
+ Quick add
Snow Performance
| MPN: SNO-15025
Snow Performance Water Injection Gas Stage 1 Naturally Aspirated Carbureted SNO-15025
Sale price
$674.16 USD
Regular price
$943.82 USD
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