Had my underfloor panel off this afternoon so I could modify my add-on piece making it detachable. Took some shots to better demonstrate what I had done. Here's the factory underfloor panel, passenger side. This is the panel just aft of the front wheel (which would be to the right, just to the right of the notch in the top of the panel:
Here's the panel I made. So it fills in just aft of the front wheel. The design intent on leaving that area free on the production car appears to be related to providing a pad for a car lift to contact. So I've made my panel detachable, with simple push-type body fasteners. I'll just pop them out whenever I go for an oil change.
