With your quad shocks removed and the fender lips rolled, you've covers the two major ones. The only other two places you need to look at are the inner wheel well toward the front and the tailpipes. The wheel well may need to be "massaged' slightly with a hammer. Check out this video to see exactly where. https://www.youtube.com/watch?v=_9ccaqbIe-s
The tailpipes may come very close to the tire and may need to be adjusted out of the way. This is very much a maybe, but I have run in to this many times depending on the catback.