If you're going to make a fan cover, why not do it with some style.
The V8 scoop part, airfilter and cover were remixed from DarkDragons V8 engine modified the base and innards and added a lever (as the original is servo driven)
Pretty simple to print, screws required are M1.2 x 4mm - thats if you dont just glue the cover on the front
If you do want to go fancy, screws: 4 x required for front cover, 2 needed for optional back air filter.
3D printing settings
The main Supercharger- although temping to print upright (and you can seeing as the front is completely flat ) it all comes down to your printer - if it can handle very detailed first layers- got for it, but if your printer likes larger flat first layers - go with the default print orientation.
All can be printed without supports, bridging is gradual so no need to up the speeds.
Slow first layers down as they have some small rotations, also does help if you add 3-4 top layers for everything else.
The inlet can be tricky to print , suggest no less than 0.2mm and print a little slow, around 50ms