Sorry, been busy with work. There is minor rubbing on the liner inside the wheel well. Refer to page 7 of this thread for pictures of the area. It takes one zip tie on each side to tie it back to the frame. I will work on pictures tomorrow.
They aren't cheap though. I paid 430 a tire.
Also, here is another reference to them fitting:
http://www.gm-trucks.com/forums/topic/156030-has-anyone-tried-2856520s-under-a-leveled-2014-yet/page-2