Tyres/wheels and exhaust can be a personal taste thing. It can be hard to make suggestions especially if you don't know what you are after. What one person said is perfect, another will hate. Likewise, if you like all 4 tyres being the same or having wider on the rear will at least be a start.
But here's some ideas of tyre/wheel suspension combos:
http://www.transamcountry.com/commun...?topic=83572.0