JungleZ seriously needs to be banned from this forum. I personally find all his posts to be terribly unhelpful and just outright annoying.
With different brackets I would imagine it could fit in the Z. Measure the width though and let us know. I can go out to my car and measure my stock (sport touring) seats and tell you if yours will be too wide. I do highly recommend not letting those awesome seats go to waste in the trade in. What would you do to replace those seats though? Have you found out how much stock mustang seats cost?
Oh and you're right Steve about the bars! That was the first mod I got! Just a couple hundred bucks and an easy install later and I was