Another way to go is to have Kossman widen your rear rim, and then buy a wider tire to fit. This way you have no cutting of the frame and you can keep the ability to have a rider sit behind you.
kuryakyn velociraptor intake (wire mesh left off); Cannella black riser; dyno tuned
cobra 3" slips (baffles in, obnoxious if out); Memphis Shades pop top sportshield
Fi2000R, ~120 miles gas LED turns on; C&C SportTour seat; Rebel Bandit Hog