Mishimoto Racing Thermostat 2001-2007 Subaru WRX / STI vendor_aFe and heat treated to 200

and heat treated to 200

The air intake system is easy to install with commonly available tools

The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines

Part #: 05106-HD00

Mishimoto Racing Thermostat 2001-2007 Subaru WRX / STI vendor_aFe and heat treated to 200Part: # MMTS WRX 01 The Mishimoto racing thermostat for the '01 '07 Subaru WRX and STI 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 fully warmed up the Mishimoto racing thermostat will open up at a lower temperature than standard thermostats, also allowing the coolant to flow