Verus Engineering Air Oil Separator Black 2013-2021 BRZ / 2013-2016 FRS / 2017-2021 GT86 YMM_2022_GR86 2011-2014 Subaru WRX STI Sedan

2011-2014 Subaru WRX STI Sedan

but professional installation is recommended if you are unfamiliar with Subaru forced induction components

sporty touch while improving rear downforce

Upgrade your Subaru WRX STI’s suspension with the Whiteline forged aluminum rear sway bar mounts

Verus Engineering Air Oil Separator Black 2013-2021 BRZ / 2013-2016 FRS / 2017-2021 GT86 YMM_2022_GR86 2011-2014 Subaru WRX STI SedanThe Verus Engineering Air Oil Separator (AOS) ensures the intake system remains oil free. Oil in the intake system reduces octane, which can lead to detonation, reduction in power, and carbon build up. Four, 5 micron, coalescent filters, one on each inlet and outlet, baffling, and stainless mesh offer unprecedented air filtration for the crankcase air. With optional add ons like our AOS drain back kit and AOS coolant add on kit, our AOS will fit your