Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021 Red w Black
Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021 Red w Silver
Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021
Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021
Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021
Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021
Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021

Precision Works AOS Air Oil Separator Subaru WRX 2002-2014 / STI 2004-2021

PW-SUB-AOS-BLK

Regular price $245.00 Sale price$190.00
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Precision Works AOS Air Oil Separator - Subaru WRX 2002-2014 / STI 2004-2021

Air oil separator removes oil from engine ventilation system so the oil does not get into the intake system.

Key Features:

  • Retains OEM PCV valve
  • Engine performs cleaner & efficiently 
  • Precision CNC machined
  • 6061 billet aluminum
  • High quality continental hose
  • Includes fittings, caps, and zip ties

Designed to work with the following Subarus:

  • Subaru WRX 2002-2007
  • Subaru STI 2004-2021
  • Subaru WRX 2008-2014
  • Subaru Legacy GT 2005-2009

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