Subaru STi Coolant and Additives
STi Home > Cooling System > Coolant & Boosters
STi Home > Fluids & Filters > Coolant & Boosters
As with all fluids, please check your owner's manual and do your research to know what is compatible with your specific set up and build.
WRX STi Notes:
Cooling System Capacity = 1.95 - 2.025 Gallons