I would have to say that it depends on your glassing skills.
 
1. It wont work. Bonding fiberglass to plastic (when it comes to anything structural) is a no no.
2. Like Manta Z said, they already make it for 03+. Much simpler to just buy it.
 
 
Awww damn, all right I just thought a 25 dollar 99 bumper wasn't a bad deal if it was possible to modify it
Modding my j since I found the org
 
its possible that i could sell mine..
 
 
but then i just noticed your location
 
 
How much?
Modding my j since I found the org
 
It makes it look like a sentra