Mishimoto silicone radiator hose kits for your WRX or STi are made with a dual layer combining high grade Dupont Nomex silicone  technology. Made from heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance, all with an OEM replacement fit. Add style and performance to your WRX or STi with Mishimoto radiator hoses, available in blue, black, and red.