Precision Works AOS Air Oil Separator - Subaru WRX 02-14 STI 04-21

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Retail price: $245.00 Sale price: $190.00

Product code: PW-SUB-AOS-SIL

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Description

Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19

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 Subaru:

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

Check out the AOS system for the 2015+ WRX here.