Pretty sure the bloke would have just removed the factory grill, filled in the mounting holes, resprayed the bar and then mounter the mesh on some sort of brackets.
You should be able to make this sort of thing up without too much effort.
i made my grille for my vz it was pretty easy. i just removed the grille and used the back of it to mould the shape and cut the tabs out took all of ten minutes.
CPR6
Been made. There's photos of my VY one I made on my homepage.
'Ah well, I suppose it had to come to this.'