Perrin Red Air Oil Seperator w/ TMIC | 2002-2014 Subaru WRX/STI (PSP-ENG-607RD)
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The PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing your intercooler's efficiency and reduces chances of detonation.
Features: -Increases Intercooler Efficiency -Reduces Carbon Buildup -Reduces Detonation- PCV System Included -Easy Disassembly For Cleaning -Heated By Coolant -Powder coated for protection against the elements, the textured finish will look awesome for years to come. The PERRIN AOS is available in black or red texture powder coating.