This is the piece that I am talking about. The rail that runs from front to back and has the brightwork insert in it on the Denali's and is just plastic on the lower trims. NOTE: NOT MY PICTURE! I found it online.
2016-gmc-yukon-denali-side-profile-in-motion by Richard Jackson, on Flickr
Are you willing to drop your entire headliner to switch them? I wasn't. Way too easy to introduce creaks and rattles where I had none before
