Radium AOS-R Air Oil Separator for 2015+ WRX FIC Includes both LH and RH

Includes both LH and RH front doors with a glossy carbon fiber finish

(1) PERRIN WRX Water Pump Pulley

• Height: 10"

These Radium banjo fittings have the ability to rotate 360° even after installation

These are a direct replacement fit for all 2002-2007 WRX/STi sedan models

Radium AOS-R Air Oil Separator for 2015+ WRX FIC Includes both LH and RHAn 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. The AOS "R" system "returns" what is collected back into the oil pan so there is no servicing required. The AOS mounts to the Radium Brake Master Cylinder Brace. The AOS is available with or without the brace in case you have already purchased it. Vehicle Fitment: 2015+