Air Oil Separator (V2) Single Chamber AOS by Crawford Performance

Single Chamber Air Oil Separator (V2) AOS Kits

Single chamber (V2) Air Oil Separator kits feature the widest fitment options available. This design requires you to delete your PCV valve, and are best suited for track setups. If you would like to keep your PCV in place, check out our V3 kits.

Air Oil Separator (V2) Single Chamber AOS by Crawford Performance

Single Chamber Air Oil Separator (V2) AOS Kits

Single chamber (V2) Air Oil Separator kits feature the widest fitment options available. This design requires you to delete your PCV valve, and are best suited for track setups. If you would like to keep your PCV in place, check out our V3 kits.

On Sale
Crawford Air Oil Separator (AOS) for 2002 to 2007 Subaru WRX

Crawford Performance

Crawford Air Oil Separator (V2) - WRX: 2002 - 2007

$ 349.99 $ 399.99
On Sale
Crawford Air Oil Separator (AOS) for 2004 to 2007 Subaru STI

Crawford Performance

Crawford Air Oil Separator (V2) - STI: 2004 - 2007

$ 349.99 $ 399.99
Crawford Performance Air Oil Separator (AOS) - Universal - Full Kit

Crawford Performance

Crawford Performance Air Oil Separator V2 - Universal

$ 399.99
On Sale
Crawford Performance Air Oil Separator (V2) - Legacy GT: 2005 - 2009 - Full Kit

Crawford Performance

Crawford Air Oil Separator (V2) - Legacy GT: 2005 - 2009

From $ 349.99
On Sale
Crawford Air Oil Separator (AOS) for 2004-2006 Subaru Forester XT

Crawford Performance

Crawford Air Oil Separator (V2) - Forester XT: 2004 - 2006

From $ 349.99
On Sale
Crawford Air Oil Separator (V2) - WRX: 2008 - 2014 - Full Kit

Crawford Performance

Crawford Air Oil Separator (V2) - WRX: 2008 - 2014

$ 349.99 $ 399.99
On Sale
Crawford Performance Air Oil Separator (V2) - STI: 2008 - 2014 - Full Kit

Crawford Performance

Crawford Air Oil Separator V2 STI 2008 - 2014

From $ 349.99
On Sale
Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Full Kit

Crawford Performance

Crawford Performance Air Oil Separator V2 STI 2015 - 2021

$ 349.99 $ 399.99
On Sale
Crawford Performance Air Oil Separator (V2) - Forester XT: 2007 - 2013 - Full Kit

Crawford Performance

Crawford Air Oil Separator (V2) - Forester XT: 2007 - 2013

$ 349.99 $ 399.99
On Sale
Crawford Performance Air Oil Separator (V2) - Outback XT: 2007 - 2009 - Full Kit

Crawford Performance

Crawford Air Oil Separator (V2) - Outback XT: 2007 - 2009

From $ 349.99