Koyo Aluminum Radiator WRX / STI (2002-2007) Variations:Koyo Aluminum Radiator WRX/STI (2003-2007) The EJ25 in the STI

The EJ25 in the STI is known for producing blow-by gases during both normal and severe driving

85" diameter and weighs approximately a half pound

last longer and help eliminate chips unlike other grilles on the market

or to minimize tire wear

Koyo Aluminum Radiator WRX / STI (2002-2007) Variations:Koyo Aluminum Radiator WRX/STI (2003-2007) The EJ25 in the STIKoyo's aluminum radiators for the 2002 2007 WRX STI are designed to keep your engine cool even under some of the harshest conditions. Koyo radiators are made from light weight aluminum and are made for street and track use. 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. The Koyo