I doubt anyone would ever want to install one of these systems into a Mooney, but perhaps some folks might need spare parts? I'm installing the newer vent system with the dorsal fairing intake and eyeball vents in the headliner, so I don't need any of this.   I've got plenum pieces in decent condition, pop-up scoop, cable, ratcheting thingy for the knob, a drain tube (had to cut it into 2 pieces), and most importantly, the circular vents and plastic louvers in great condition.   I'm thinking th