To update the headlights and grille to an 05 one u will need to change the bumper and headlight mounting panel. However they do now make a 05 grille that is cut at the bottom so it will work with the older style bumper i don't have the link for it but i'm sure someone on here will chime in shortly with it. Also u can put the newer lights in the old mounting panel but it does require cutting if i remember correctly.