Killer B Motorsport Performance Dual Catch Can AOSNote: PCV Catch Can will not suit RHD vehicles in the location intended by Killer B. It will require a custom mounting solution (not included). The Killer B Motorsport Dual Catch Can AOS system is designed to remove excess oil vapor from crankcase gasses before they reach your intake. Doing so keeps your intake and valves cleaner and maintains proper octane levels. We do this using a vortex system that is efficient without limiting flowrates, unlike