Moroso Air Oil Separator Small Body Raw Finish Subaru STI 2008-2014 vendor_Cosmis Wheels Part #: IS-GT-S13

Part #: IS-GT-S13

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

This makes for not only the coldest air possible but the most air possible

wet and dry roads

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

Moroso Air Oil Separator Small Body Raw Finish Subaru STI 2008-2014 vendor_Cosmis Wheels Part #: IS-GT-S13Part: # 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