Air Oil Separator (AOS) - Subaru STI (GR/GV)

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395.95 359.95 359.95 USD

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OVERVIEW

The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains oil-free. Oil in the intake system reduces octane, which can lead to detonation, reduction in power, and carbon build-up. The unit installs like an OE component with no change to the tune or setup needed. The Verus AOS also filters both the crankcase vent location as well as the intake filter location, through a single unit.

Four, 5 micron, coalescent filters, one on each inlet and outlet, baffling, and stainless mesh offer unprecedented air filtration for the crankcase air.

An optional coolant hook-up kit runs hot coolant through the AOS to reduce condensation build-up in colder months.

Anodized parts can potentially fade over time due to engine bay heat.

WHAT IS INCLUDED

  • Assembled AOS

    • 4 Coalescent Filters

    • Internal Baffling

    • Stainless Mesh

  • Sheet Steel Bracket for GR/GV Chassis, LHD Only

  • 3/4" Rubber Hose

  • 1/2" Rubber Hose

  • 3/8" Rubber Hose

  • Hardware Bag, Including All Necessary Parts for a Seamless Install

PART NUMBER

A0259A-BLU

A0259A-BLK

A0259A-RED

INSTALL AND DATA


INSTALL MANUAL


 



FEATURES

Prevents Oil from Getting in the Intake System

Coalescent Filters that Filter Particulates Larger than 5 Micron

Stainless Mesh to Further Condense Oil Vaper 

Baffles for Further Separation of Oil Particles

SPECIFICATIONS

  CNC Machined from 6061-T6

  Mil-Spec O-Ring Bosses 

Anodized for Corrosion Resistance

  CNC Laser Engraved

  Four 5 Micron Coalescent Filters

 Made in the U.S.A.

 

 

SCIENCE

Our AOS has one job and that is to remove the oil from the engine crankcase system so the oil does not get into the intake system. Oil in the system reduces octane, which can lead to detonation, reduction in power, and carbon build-up.

 

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