Want to modify or upgrade your 2004-2007 Subaru Impreza WRX STI with aftermarket water meth kits? At OGTuners.com we have a great selection of aftermarket performance parts for your Subaru Impreza. We have 2 water meth kits parts available in our store with free shipping to the Continental US.
Nitrous Express Water Injection Kits
 $937.51 SNO-2110-BRD-TSnow Performance 05-14 STI Stg 2 Boost Cooler Water Inj. Kit (SS Braided Line/4AN Fittings) w/o Tank IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 11/03/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2005-2014 Subaru Impreza WRX STI |
Snow Performance Stg II Boost Cooler Kits
 $937.51 SNO-2110-BRDSnow Performance 05-14 STI Stg 2 Boost Cooler Water Injection Kit w/SS Brd Line & 4AN Fittings IN STOCK 2004-2014 Subaru Impreza WRX STI |