I bought one that stated it worked on the 23' but not everything worked. I got rid of the double honk but it did NOT correct my speedometer after I installed larger tires. And, yes, I plugged it in an updated the unit before I plugged it in the Bronco.
I have and RPG perch collar kit on order. This kit is specifically for the HOSS 3.0. I did the 2.25" front and 1.5" back. I'm a little nervous that this will effect the ride quality but its worth a shot. I already have 37s on and it fills up the wheel well. Just looking for a little more space.