I still have the stock top which as said is a best top and its awesome very minimal noise. I also have some kickers in the sound bar and stocks in the dash plus a powered sub in the truck area.
you can also get the Jscan app and turn on the back up camera feature so it come on when you go in reverse on its own. im there are other ways too but this is the one i know of. you need a backup camera and aftermarket headunit like chris said