To run a 9" rim, a fairly aggressive body mount chop is required. I haven't read anyone on here running a 10" at all. If you peek into your wheel well and under the body mount you'll see how much room (not a lot) there is to play with. Total Chaos also has a Youtube video that describes the process in pretty good detail. I realize you're probably asking more about trimming bumper covers and wheel well liners, but my point is that even if you were willing to chop the mount as much as possible you might still be looking at getting into the firewall anywhere near full lock with anything more than the lowest of low profile tires.
Having said all that, if you've got the know how and a pie of extra cash sitting around to play with, blaze a trail man- there's gotta be a first time for everything. Good luck.