Perrin Neon Yellow Air Oil Separator 2008-2014 WRX / 2008-2021 STI
DESCRIPTION
The Perrin Air Oil Separator is not a catch can. Catch cans capture engine blow-by and stores it in a container, which requires constant attention and removal of oil every few hundred miles. The air oil separator, separates the oil from the air, draining it back into the engine, which eliminate the need for constant draining of oil. As oil drains from the bottom of the Perrin Air Oil Separator, clean oil free air vents out of the top to rejoin the intake tract. This piece features swirl pot technology that forces incoming engine blow-by to move rapidly across the baffles, separating the oil from the engine blow by. This piece is essential for those looking to make their vehicle as efficient and simple as possible.
WHY?
The PERRIN Air Oil Separator prevents oil from entering the intake by capturing it from the crankcase vents. This reduces carbon build-up, improves intercooler efficiency, and lowers the risk of performance-degrading detonation.
FEATURES:
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No tuning required
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Swirl pot technology
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Easy installation
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Increased intercooler efficiency
COMPATIBILITY
2002-2014 WRX
2004-2021 STI