Crawford Air Oil Separator (V2) - STI: 2015+

$ 374.95
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Full Kit
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Full Kit
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Front View
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Bracket
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Lower Ports
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Close Up Of Welds
  • Crawford Air Oil Separator (AOS) for 2015+ Subaru STI
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Front View Photo
  • Crawford Performance Air Oil Separator (V2) - STI: 2015+ - Side View Photo

Crawford Air Oil Separator (V2) - STI: 2015+

$ 374.95
$ 374.95

Click this payment plan button at checkout for 3 low monthly payments of $126.65! 

Installations Available at our warehouse in Ontario, CA. Click here for details on how to setup an appointment.

Crawford Performance Air Oil Separator: The Subaru Original
Single Chamber (V2) for Subaru STI: 2015+

  • Not a Catch Can - Closed Loop and Maintenance Free

  • Consume Less Oil 

  • Extend the Life of your Engine

  • Reduce Detonation and Risk of Engine / Ringland Failure

  • Reduce Fuel Dilution and Subsequent Power Loss

    Oil pooling in your intake? Stop the oil from ever getting there with the Crawford Air Oil Separator.

    The Crawford Performance Air Oil Separator (AOS) is the original solution to Subaru's notorious oiling system issues. Although the technology was pre-existing with other vehicle brands such as Porsche, Crawford Performance is the inventor of the first system specifically for Subaru. No other AOS on the market employs the same technology.

    Note: For Off-Road Use Only

    Want to know more about how an Air/Oil Separator works and why you need one? 

    Click here to check out our FAQ blog on the technology inside. 
    There you can also find a full fitment list for all current versions and kits.

    Also check out our latest technology with patent pending:
    The Crawford Performance Dual Chamber AOS (V3)