The Mishimoto WRX oil catch can system is designed and engineered to work on your WRX to eliminate harmful blow by vapors from re-entering your engine. The EJ25 in the WRX is known for producing blow-by gases during normal to severe driving, especially when more boost and horsepower is added to the engine. This oil blow-by can work its way into your intake system, reducing the octane rating of your fuel and potentially causing detonation.
The WRX oil catch can system uses their tw. . . Show More >