If you need to use all 4 of the footwell pans, you’d be better off just installing the 1 piece, OE style full floor replacement from AMD.
Replacing all 4 footwells with the partial pans available will be significantly more welding than the full replacement pan. The half pans might be better than replacing 4 sections, but it’s still gonna be more welding than using the OE style replacement. No seam or butt welding with the full pan, just spot welds.