Moroso Air Oil Separator Small Body Raw Finish Subaru STI 2008-2014 vendor_Cosmis Wheels * Filtration Efficiency: Good -

* Filtration Efficiency: Good - 98

) Hollow +230% Stiffer than Stock G37 +205% Stiffer than stock G37S +230% Stiffer than stock G37S

Their production team offers superior craftsmanship with over 15 years of experience working with carbon fiber

which allows your turbo to build boost more quickly and more efficiently

It creates -20% of the stock exhaust pressure loss improves the low-speed torque and engine response

Moroso Air Oil Separator Small Body Raw Finish Subaru STI 2008-2014 vendor_Cosmis Wheels * Filtration Efficiency: Good -Part: # 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