where to outlet my exhaust

Getting header put on my 72 duster so figure ill get rid of the stock exhaust itll be 2.5 in pipes off a 3 in header H pipes with to flowmaster super 44 mufflers where should i put the outlet turned out in front the the rear wheels ?behind the rear wheels? straight out the back? And what exhaust tips should i use? Open to all suggestions Picture would be great