I am getting ready to order a new set of tires and would like to get your input on size. I am going from 26 gators to 27 outlaws. Should I go narrower in the front or same size all the way around? I will mainly be playing in deep mud and water. I'm not too worried about being comfy on the trail. And if I do go same size should it be 9.5's or the 12's? Thanks for any info.