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Vehicle Set: Click here to shop 15-20 Subaru WRX STI parts.

15-20 Subaru WRX STI Water Meth Kits

Want to modify or upgrade your 2015-2020 Subaru WRX STI with aftermarket water meth kits? At OGTuners.com we have a great selection of aftermarket performance parts for your Subaru WRX STI. We have 2 water meth kits parts available in our store with free shipping to the Continental US.


Nitrous Express Aftermarket Parts

Nitrous Express Water Injection Kits

Nitrous Express Water Injection Kits SNO-2182-BRD-T
$937.51
SNO-2182-BRD-T
Snow Performance Stage 2 Boost Cooler 2015+ Subaru WRX (Non-STI) Water Injection System w/o Tank
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 11/05/2025)
Shipping times vary by Manufacturer
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2015-2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
2018-2018 Subaru WRX STI Type RA
2019-2019 Subaru WRX STI S209
Snow Performance Aftermarket Parts

Snow Performance Stg II Boost Cooler Kits

Snow Performance Stg II Boost Cooler Kits SNO-2182-BRD
$937.51
SNO-2182-BRD
Snow Performance Stage 2 Boost Cooler 2015+ Subaru WRX (Non-STI) Water Injection System
IN STOCK
2015-2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base / Limited
2016-2016 Subaru WRX STI Series.HyperBlue
2018-2018 Subaru WRX STI Type RA