thanx mecalli for you info now for you seductive. these are max external dimensions length equals 58in width equals 22 inch and height equals 21in and for the port location i would like it on top with the sub firing up as well also i was wondering how much bracing do you think ill need and how to do it thanx if you need i can post a pic of the truck that its going in so you can get more of an idea of what i going for. its a ford f150 97 with the back seat out