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especially under aggressive driving or high-output turbo setups that can generate excessive heat
custom-molded design that ensures a perfect fit for your WRX or STI
It is engineered for enthusiasts who demand both track-capable performance and street-ready durability
Perfect for Subaru WRX STI owners focused on quality and precision
Verus Engineering Air Oil Separator Red 2013-2021 BRZ / 2013-2016 FRS / 2017-2021 GT86 Dress Up Bolts-InStock especially under aggressive driving orThe 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
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