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Black November is here: Double Dino Dollars, extra 20% off clearance, and exclusive brand deals all month long!

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Perrin 02-24 Subaru WRX/ 04-21 STi with FMIC Black Air Oil Separator - PSP-ENG-607BK

SKU: SKU: PERPSP-ENG-607BK

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PERRIN Performance Air Oil Separator designed to work with aftermarket front mount intercooler systems.

Here are the 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 black powder-coated finish
  • All hardware, brackets, fittings, and clamps are included to make this AOS system ready for the installation

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