Install time is less than 10 minutes! Customize your engine compartment with a fiberglass plenum cover from Roto-Fab. This cover looks great with any of Roto-Fab's finished engine covers. Our plenum cover is about 1/8" thick and sits right on top of your stock set-up. It mounts securely using the four existing studs. We supply the necessary hardware along with easy to follow instructions. You can get the plenum cover in a variety of finishes including carbon fiber or your car's body color. The plenum cover may also be purchased bare if you choose to finish it yourself.