Moroso 85497 Moroso Universal Air/Oil Separator Catch Can - Small Body w/o Drain - Billet Aluminum - Black FinishMoroso 85497 Moroso Universal Air Oil Separator Catch Can Small Body w o Drain Billet Aluminum Black Finish Air Oil Separator Kit Universal Kit, Catch Can, Small Body, Black Finish Moroso air oil Separator is plumbed into a vehicle's PCV system and captures excess crankcase vapors and residual oil mist, preventing it from re entering the intake tract Billet aluminum body with internal mesh media, available in polished aluminum or black anodized finish