2017 1500 Z71 CREW CAB.
I JUST INSTALLED 285/75R17 (33.9") TIRE IN THE STOCK LOCATION ON THE STOCK 17" STEEL SPARE RIM TOW HITCH ALSO. IT FIT WITHOUT ANY ISSUES.
I HAVE DO A CUSTOM EXHAUST AND ABOUT 2-3" ROOM FROM THE EXHAUST TO THE TIRE. UNLESS IT IS TOUCHING THE TIRE, GAS TRUCK TAILPIPES DO NOT GET TOO HOT WAY BACK THERE. YOU COULD ALWAYS COULD PUT SOME HEADER WRAP AROUND THAT PART OF THE EXHAUST ALSO.