Koyo Aluminum Racing Radiator Manual Transmission - 2008+ Subaru STI | 2008-2014 WRX
Koyo aluminum racing radiators are designed to be direct factory replacement units. Koyo racing radiator features a much thicker core with a more efficient fin design that helps with flow and temperature drop over the surface.
Koyo is Japans largest aftermarket radiator manufacturer, utilizing the latest aircraft quality aluminum and Heli-arc welded. Heli-arc soldering is the highest quality standard for enforcement along aluminum connections.
Upper radiator hose may require trimming for proper clearance.