What about some states yearly checks?? inspection or whatever. I've heard story's of people being forced to replace ball joints, exhaust hangers, misc etc like that....lack of air bag would be a 'ding ding ding' to them to pull your vehicle off the road until it is legal for the road.
Sure, if your truck is a show truck and lisenced as such to be exempt from the state laws of vehicles driven on the road. And of course i'm speaking of vehicles in which came with an airbag from the factory.