KOYO RADIATOR: IMPREZA WRX/STI 03 04 05 06 07
Koyo Racing Aluminum Radiator (53mm), for Subaru Impreza WRX/STI 03-07
Note: Factory radiator cap WILL NOT fit. Use Koyo SKC-13 radiator cap, sold separately.
Note: Koyo All-Aluminum racing radiators are made for manual transmission applications only. Automatic transmissions will require an external transmission oil cooler.
Due to the oversize construction, certain appications may fit tighter when used in different modification settings.
Koyo Racing Radiators are designed to meet OEM-Specific settings
