If you're going to do it get a dual cat back. You won't get any additional power out of it but it will look good. As far as sound, you can get minimal and no drone which I have with the Rugged Ridge SS dual cat back, or intense. Check out a few on you tube to give you an idea. Some systems have alot of drone at speed so that might be an issue for you. If not, whatever you like. The last thing I wanted was to sound like a Japanese performance vehicle, being politically correct of course.