Hey,
Mostly for looks, you'll loose about (if not at least)half of your trunk space due to the tire 'indention' in the undertail piece. Besides having to find somewhere to put your turn signals, remount your license plate, and then jigsaw, rototool, dremel tool etc your rear fender just to install it. With all that said .....DO IT !! you'll love it. Well worth it
Hope this helps
Jeff