Wheelcovers are abs plastic and he got those from me. So those were Tunecovers without any holes. He then drilled that center hole himself.
All mods are homemade. I think rear fender skirts are 1-2mm aluminium sheet. Attached with angle irons like in my Lupo first to the body and then to that sheet. I think you can see same method in right front tire splatter which was made from clear PC.