That isn't an uncommon problem. The best fix is to get a metal rollover valve to replace the factory check valve. Then re route the vent line back away from the cab. And while you're at it add a cheap inline fuel filter to the end of the vent line so your gas tank isn't sucking in dusty air. All...
The problem is the link between the outside door handle and the latch. All you have to do is make it a little bit longer by taking some of the two beds out a bit. It needs to be about a mm or 2 longer than it is.
Dealers aren't paid to fix problems. They are paid to change parts. The new parts...
From what I have experienced with KFI so far, they drastically lack foresight. I have their winch mount and poly plow. The winch mount is fine. The plow is mostly fine but has many things that could be better