You'll be fine man, that is plenty of room. In my Jeep, I have less than 2 and half inches of clearence... No problems at all.
Have you hooked it all up yet? I would like to know how everything turned out for you.. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif