Perrin Air Oil Separator AOS for 2015-2021 WRX (PSP-ENG-609) *Discontinued* English Racing This kit has been tested

This kit has been tested in cars trapping over 160 MPH and at over 50 psi with no signs of running out of fuel

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and improved throttle response

Set of 4 2150cc Saturated High Impedance fuel injectors for 2004-2006 STi and 2005-2006 Legacy GT with original tumblers and FIC top feed fuel rail conversion

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Perrin Air Oil Separator AOS for 2015-2021 WRX (PSP-ENG-609) *Discontinued* English Racing This kit has been testedPerrin air oil separator for 2015 2021 Subaru WRX. An AOS traps oil from the crankcase vents before it enters the intake, reduces carbon build up, increases intercooler efficiency, which reduces the chance of performance robbing detonation. Available in black, red or neon yellow. Vehicle Fitment: 2015 2021 Subaru WRX Fits with TMIC or FMIC Installation Guide PDF More Info: The Perrin Air Oil Separator is not a catch can. Catch cans capture engine blow