Giant pork butt

So my wife went to Costco to get supplies for the Super Bowl. I mentioned that I want to make pulled pork and she should get a pork butt. Well she bought what can only be described as a Beyonce and now I am struggling for ideas. Does anyone have tips for smoking a gigantic pork butt? If I cut it in half but put both roasts on the smoker, will that halve the cooking time?