3 Reviews

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

PW-SUB-AOS-SIL
Original Price: $245.00 Current Price: $190.00 Product is on Sale
Color
Precision Works AOS Air Oil Separator - Subaru WRX 02-14 STI 04-21
Precision Works AOS Air Oil Separator - Subaru WRX 02-14 STI 04-21
Pre-Order now and we'll ship soon. Learn more here.
  • Free shipping over $99
  • High Quality Control Standards
  • 30-Day Returns
  • 1-Year Warranty

  • Product Details

    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.

Customer Reviews

About Us

Founded in 2005, our mission is to provide car enthusiasts with the best-value performance parts. We are passionate, die-hard car enthusiasts. If a product is not good enough to go on one of our own cars, it will never be good enough to go on one of yours.

We take pride in every product that we manufacture so we ensure that no product is released until we are satisfied with our high quality control standards.

Founded in 2005, our mission is to provide car enthusiasts with the best-value performance parts. We are passionate, die-hard car enthusiasts. If a product is not good enough to go on one of our own cars, it will never be good enough to go on one of yours.

We take pride in every product that we manufacture so we ensure that no product is released until we are satisfied with our high quality control standards.