The concept that a group of people based on their occupation, decided by another group that they are "heros" are deserving of an additional monetary discount that the rest of us are unqualified for.
The reality is depending on the dealer and the rep's mood no one knows if the warranty will be questioned. Every mod gives them the potential excuse, it boils down to how much you want to gamble.
I ended up with them new on the truck when I received it a while back. The original order had the standard wheels which is why I was inquiring. Thanks again for all the suggestions and replies, very appreciative.