I have a 2004 chevy 3500 hd, I would like to change the Front bumper. I would like to put a 2004 GMC 3500 hd bumper on my truck. I do not what to change the grill or the lights. Only the bumper and the plastics. Has any one done this . I would also need to change the bumper mounts ?? The reason I what to change , I do not like the textured plastic, and painting it does not last rock chip peel the paint.