Radium AOS-R Air Oil Separator Kit (2015+ WRX/ 14-2018 Forester XT) air filters 953 2013 221

953 2013 221

and quality on the street

It is highly recommended to fit an IAT sensor with this model

000km to 10

Radium AOS-R Air Oil Separator Kit (2015+ WRX/ 14-2018 Forester XT) air filters 953 2013 221THIS KIT IS FOR THE FA20 POWERED CARS High powered modified Subaru engines tend to generate excessive blow by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Subaru Dual Catch Can Kit, the AOS (Air Oil Separator) kit is responsible for keeping blow by oil and other pollutants out of the intake pipe, manifold, turbocharger, and intercooler during all engine loads.