Perrin 08-14 Subaru WRX/STI Air Oil Separator - Neon Yellow - PSP-ENG-606NY

This is a great way to prevent harmful oil and vapors from entering the intake system which can definitely affect your performance. This is a complete kit that includes everything needed to specifically work with your application. 

DETAILS:

• Traps oil from the crankcase ventilation before it enters the intake system
• Reduces the chances of detonation 
• Increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system
• Reduces carbon buildup in the combustion chamber, intake valves, and intake tract
• NOT a catch can system
• Separates engine oil from water vapors and allows the oil to drain back into the engine
• Oil entering from the crankcase vents spins counterclockwise through the entire body of the AOS that passes along 4 walls equalling 50.25 square inches of surface area
• Multiple baffle walls in the compact design simulate the surface area of an AOS that is 13.5" tall
• Comes provided with all necessary hoses and hose fittings
• Can comes with a neon-yellow powder-coated finish
• All hardware, brackets, fittings, and clamps are included to make this AOS system ready for the installation