Intercooler Subaru WRX GDA/GDBSubaru WRX GDA GDB Intercooler (20022006) Take your WRX to the next level with this direct fit intercooler kit designed for Subaru GDA GDB models (20022006). The large 650x235x90mm core ensures maximum cooling performance, reducing intake temps and allowing your turbo setup to perform at its best. Made from durable aluminium with TIG welded end tanks, this intercooler is built to handle high boost levels whether youre on the street or the track.