RZR XP 4 1000 UTX Giant Door Lowers January 17, 2016 Is anyone using UTV Giant door lowers on a 2016 XP41K? Thinking about going with them. I installed PRP door bags on all 4 doors and like them, need to know if that makes any difference on the lower door install? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related