Update! Ok so I've had the mj about a week now, fixed the idle issue , got the heater workin ,replaced the bad brake like, weldedup some exhaust and put in the stereo so I'm finaly able to dd this beast:) more to come!
The exhaust is nice and tight up against the bed and it sounds really nice (not obnoxious lol) its a welded thrush muffler 2.5 in and out