7th Gen 4Dr Rear Bumper need help ive never replace one before....just the front bumpers...but i need to change my friends before she goes get her car inspected because over here in pa i dont know how it is in anyother state but if there are any holes in a car like rust...crack...shipped blah blah they wont pass it...so can you guys help me out and see how many screws belong on the bumper and what not oh and one more thing her dumb ass ex screwed the bumper usin wood scews...any ways any help?