IAG Performance Street Series Air/Oil Separator (AOS) Red Subaru 2008-2014 WRX / 2008-2019 STI

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$419.99
$399.99

SKU IAG-ENG-7151RD

The IAG Performance Street Series billet aluminum Air / Oil separator (AOS) vents crankcase gasses back to the turbo inlet. The design is based on years of service on racing and high horsepower Subaru's. The AOS's approximate 1-liter capacity, fully heated housing, superior breathing, and unique patent pending baffle design set it apart from the rest.

AOS TOP

  • Breather Port Rotation For Install Ease
  • Dual Breather Port
  • Greater Pressure Stream Oil Separation

AOS BODY

  • Large Billet Aluminum Design
  • Approximate 1 Liter Holding Capacity
  • Integrated 3 Port Billet Hose Barbs
  • Aluminum Body is powder coated
  • Unique Baffling Controls Crankcase Pressure
  • Returns Oil To The Engine
  • No Maintenance or Manual Draining Required

AOS DRAIN PORT
The AOS drain port is able to be rotated for ease of installation.

AOS FITTINGS
All fittings supplied with the AOS are anodized aluminum and feature Viton sealed ORB fittings.

AOS HOSE
The supplied coolant hose is built to SAE 20R3 standards. It will withstand coolant temperatures of +257°F. The oil vapor hose is designed to withstand oil and fuel vapors, exceeding SAE J30R7 standards.

AOS COOLANT

  • Heated By Engine Coolant
  • Reduces Moisture & Oil Mixing

AOS MOUNTING

  • Multi-point Adjustable Mounting Bracket

AOS IN THE BOX

  • Ready To Install
  • Hardware, Lines & Fittings Included

*Please note that IAG recommends the STREET SERIES AOS for ALL cars under 600 WHP running E85 or high-ethanol fuel blends. When tuning E85, ethanol vapors tend to stay in the crankcase, which ultimately results in the oil becoming diluted and requiring extremely frequent oil changes. Pulling vacuum via the Street Series recirculating design to the inlet is ideal for ethanol tuned vehicles, and will allow the ethanol to be removed from the crankcase and burnt off as part of the combustion process. When running greater than 600 WHP on E85 IAG recommends the COMPETITION SERIES AOS and 1500-2000 mile, or every race event, oil change intervals. Please note that the COMPETITION SERIES AOS at any power level will require a custom tune.


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