Koyo Aluminum Racing Radiator Manual Transmission 2008-2014 WRX / 2008-2021 STI / 2005-2009 LGT
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.