Moroso Air Oil Separator Kit Small Body Subaru WRX 2015-2021 vendor_ISC Suspension Unlike the degradation-prone rubber hoses

Unlike the degradation-prone rubber hoses your Impreza RS currently has

The Brass Plus material with its alloy backing matched to a performance pressure plate will provide smooth engagement and extended life

Fully-synthetic formulas created from polyol ester base stocks

All Toyota Yaris

This model is completely waterproof

Moroso Air Oil Separator Kit Small Body Subaru WRX 2015-2021 vendor_ISC Suspension Unlike the degradation-prone rubber hosesPart: # 85672 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