Moroso Air Oil Separator Small Body Raw Finish Subaru STI 2008-2014 vendor_Diode Dynamics and rapid heat dissipation

and rapid heat dissipation

and just shoot some softer urethane into it

check maps available for your car here: MAPS

Part #: BSR53XZ

Moroso Air Oil Separator Small Body Raw Finish Subaru STI 2008-2014 vendor_Diode Dynamics and rapid heat dissipationPart: # 85644 From the factory excess crankcase vapors, residual oil and moisture are vented back into the intake manifold and crankcase ventilation system. This can coat the pistons and everything else with a detonation prone layer of oil. This is no good in a turbocharged vehicle. Moroso has come up with a 2 tank system that allows the factory crankcase ventilation to operate how it was designed. No other system on the market does this. Billet