Mishimoto 68 Degree Celcius Racing Thermostat - Subaru WRX 2002-2014 / STi 2004-2021Key Features Fits the 2002 2014 Subaru WRX Fits the 2004 2021 Subaru STI Allows for cooler engine temperatures Mishimoto Lifetime Warranty Product Description The Mishimoto racing thermostat for the Subaru WRX 2001 2014 STI 2001 2021 will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications. Once the engine is