Installed the two cool air vents. This involved setting rivet lines on the two plastic (nylon?) parts provided by Zenith and backdrilling them onto the forward side skins over the factory-cut NACA scoop hole. This was a basic task that took little time to complete
From the inside: Cool air vent. Eventually a hose will connect this to a vent in the instrument panel.
From the outside: Looking back through the NACA port into the cool air vent.