Mishimoto Radiator + Hose + Thermostat Combo Subaru WRX / STI 2008-2014


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The Mishimoto performance aluminum radiator for the WRX and STI is designed and engineered to maximize cooling efficiency by up to 30%, boost engine functions, and most importantly protect your car from overheating. It is the ideal upgrade to the stock Subaru radiator whether you drive your vehicle daily or take it for track runs. The Mishimoto WRX radiator features a lightweight dual core, 100% brazed aluminum, and polished end tanks, enhancing the overall performance of your engine. Every Mishimoto aluminum radiator is a direct stock fit making installation effortless with no cutting or modification required. This WRX / STI radiator comes with a Mishimoto 1.3 Bar High-Pressure Radiator Cap and, like all our aluminum radiators, comes with the unparalleled Mishimoto Lifetime Warranty.

Mishimoto's silicone radiator hose kit for the Subaru WRX/STI is made with a dual layer combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance, all with an stock replacement fit! Perfect for your Subaru WRX or STI.

The Mishimoto racing thermostat for the 2001+ Subaru Impreza WRX/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 through the engine sooner thus reducing and maintaining cooler engine temperatures.

Radiator Kit Includes:

  • Mishimoto Subaru WRX 2008–2014 / STI 2008–2015 Silicone Radiator Hose Kit
  • Mishimoto Subaru WRX/STI Racing Thermostat, 2001+
  • Mishimoto Subaru WRX 2008–2014 / 2008–2015 STI Performance Aluminum Radiator


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