K&N Aluminum Cold Air Intake System for SUBARU WRX STI H4 2.0/2.5L - 69-8001TWR
K&N Aluminum Cold Air Intake System for SUBARU WRX STI H4 2.0/2.5L - 69-8001TWR The K&N Aluminum Cold Air Intake System (featuring a mandrel-bent aluminum intake tube) is engineered for SUBARU WRX STI models with the H4-2.0L and 2.5L engines.