SUBARU 2002-2007 WRX /2004-2019 STI WRX/STI. The difference between all aluminum radiators and OEM radiators. All aluminum radiators often add 24MM-34MM thickness on basis of OE radiators,the design of double rows makes the the radiators higher and fast cooling,(Becasue the normal working temperature is not lower than 85 ℃,usually in 85℃-90℃，it can’t be lower than the normal working temperature. ).
