I am going to do what Rob has already done. I don't tow as much as he does, but "G" rated tires are in my future for this coming spring. My original "E" rated Marathons have only another 500 miles go in October and they are history.
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50C, TST Systems 507 TPMS, RV Flex Armor Roof