Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit

Air oil separator kit for the late model Subaru platforms. Includes all parts need to complete the installation. AOS is fully serviceable.

This Part Fits:

Year	Make	Model	Submodel
2015-2020	Subaru	WRX STI	Base
2015	Subaru	WRX STI	Launch Edition
2015-2020	Subaru	WRX STI	Limited
2016	Subaru	WRX STI	Series.HyperBlue
2018	Subaru	WRX STI	Type RA