From my understanding, unless you live in CA, NJ, NY, etc...where you have 16 Jeep dealers inside of 4 miles, one needs to tread carefully (as you pointed out) when a dealer starts talkin BS warranty talk. I also agree that the 37s will cause far more damage than the lift itself, so I would never let the dealer see them. I'd throw stocks on before I rolled in there. I also agree that the WY region has awesome wheeling, and a 3.5" will probably be more useful out there, but if the dealer keeps giving him sh!t over that lift, and he has no other dealer within a 100 mile radius, he might be a bit screwed. Me thinks a 2.5 and flatties will let him fly under the radar with the dealer and still have a capable rig...although not as capable as one with a 3" plus...I guess we gotta make sacrifices.