There's no modding, you cut a hole and bolt it in.
the early rangers and Eddie Bauer bronco2's were available with the exact same sunroof.
the only thing the Explorer brought to the party was a glass panel
with a black border and a removable sunshade that mounts to the
glass.
The frame for the sunroof has hose barbs at all four corners fr drain hoses that run down the "A" pillar and just behind the door and exit the floor through holes punched in the seal gromets in those locations.
Doing it isn't rocket surgery.
for me the hardest part was making the first cut in the roof.
My issue with the side glas was all the stuff (interior panels)
that needed to be removed to access the back side of the glass.
And after they are installed they do aid ventilation a little, but not nearly as much as the sunroof does.
AD