The Weapon-R Secret MAS Adapter Kit replace the OEM air box and converts vehicles equipped with an Air Mass Meter into an open element intake system. This highly increases performance for these vehicles, due to the restrictions of an Air Flow Meter and the OEM air intake system. The Secret intake MAS adapter kit comes with the Weapon-R Secret Air Filter features a tuned velocity stack to increase velocity and decrease turbulence, and can be dis-assembled to be cleaned. The MAS kit come with all necessary mounting hardware and silicon adapters to complete installation.