Mishimoto Aluminum Upper Radiator Hose Kits are now available for the 2001-2007 Subaru WRX and STI. Our high-quality T6 temper CNC mandrel bent aluminum hoses are the ideal upgrade for your Mishimoto radiator. Combined with a choice of three colors of couplers, our aluminum radiator hoses offer a colourful, strong, and stylish replacement to your factory rubber radiator hoses.