COBB Tuning - Subaru Air/Oil Separator FXT 2009-2013, LGT/OBXT 2005-2009, WRX 2008-2014, STI 2008-2021

Cobb Air Oil Separator Subaru WRX 2008-2014 / STI 2008-2021

Cobb Air Oil Separator Subaru WRX 2008-2014 / STI 2008-2021

Cobb LF BPV for 08-14 Subaru WRX

COBB Tuning - Subaru Air/Oil Separator FXT 2009-2013, LGT/OBXT

IAG V3 Street Series AOS (Red) The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street Series AOS maintains OEM PCV system functionality, but supplements its capacity. The Street Series AOS design is based on years of extensive testing on standard and competition applications.

IAG V3 Street Series Air / Oil Separator (AOS) for 2008-14 WRX & 2008-21 STI - Black Finish

Cobb GESI Catted 3 Downpipe Subaru WRX 2008-2014 / STI 2008-2018

IAG V3 Street Series AOS (Red) The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street Series AOS maintains OEM PCV system functionality, but supplements its capacity. The Street Series AOS design is based on years of extensive testing on standard and competition applications.

IAG V3 Street Series Air / Oil Separator (AOS) for 2008-14 WRX & 2008-21 STI - Black Finish

Cobb Air/Oil Separator (AOS) 2015-2021 Subaru WRX

An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. The GrimmSpeed Air/Oil Separator for Subaru vehicles has a unique patent pending design that allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! Our AOS will allow your engine to run more efficiently due to the separation of oil from the intake system.

GrimmSpeed Air Oil Separator Red 2005 Subaru Legacy GT 2.5

Air/Oil Separator - WRX/STI/LGT/FXT - GrimmSpeed

Cobb 08-14 Subaru WRX / 08-20 STI Air Oil Separator Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth. Oil catch cans can help prevent the loss of horsepower in your vehicle. A properly set up oil catch can will reduce the amount of oil vapors that are re-circulated into the intake of your engine.

Cobb Air / Oil Separator Subaru WRX 2008-2014 / STI 2008-2021

Fitment Information: 2008-2014 Subaru WRX 2005-2009 Subaru Legacy GT 2005-2009 Subaru Outback XT The COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the engine as it is able to breathe much easier with a higher-flowing intake path.

Cobb Subaru Turbo Inlet V2 WRX 08-14, Legacy GT / Outback XT 05-09

IAG Air / Oil Separator (AOS) - 08-14 WRX / 08-21 STI - JM Automotive

Cobb Air/Oil Separator (AOS) 2008-2014 Subaru WRX/2008+ STI