Grimmspeed Black Air-Oil Separator (AOS) for 2008–2014 WRX, 2009–2014 FXT, and 2005–2009 Legacy GT

Description

This compact air oil separator does the job on combating the factory’s blowy by that EJ motors are known for. Basically, it keeps oil away from the engine’s ventilation system, this way you’ll have a cleaner air intake system and no oil going through it.
In return your car should experience; 1)maintains oil octane. 2) reduces chances of engine knock (detonation). 3)reduces oil consumption. 4)better emissions.
Application:

• Subaru WRX (2008,2009,2010,2011,2012,2013,2014)
• Subaru Legacy GT (2005,2006,2007,2008,2009)
• Subaru Forester XT (2009,2010,2011,2012,2013,2014)

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