Moroso Air Oil Seperator (AOS) - Black - 15-21 WRX
SKU: MOR 85673$170.00 $211.32
This is for cars with a TMIC and stock location turbo.
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 designe. . . Show More >
