I don't know about the Fatty for the 1600, but for the V2K the Fatty is the only bar that goes all the way across, down in front of the bottom of the engine. After I had a street cover hop up and crack my crankcase, this was the only one I would consider for my replacement bike.
Old bike, stock (LT) bars:
New bike, Cobra Fatty:
Old bike, stock (LT) bars:

New bike, Cobra Fatty:
