I would start with exhaust then get a tune to take advantage of it. I've never done stripes but unless you are good at that type of stuff (think wrapping/wallpaper) get help from a buddy who's done it b4.
even more important check out the regional forum or:
New England Spring Cruise 2016!
I've got a cruise coming up this wknd and you can meet locals and have fun. Welcome to Mevo