I don't know how many blowouts/shredded tires we have had over the years, many tho. Especially during our popup years with those 13 inch wheels. But generally we would have one every long trip.
I had to laugh when I read about the "five year warranty" on the Marathons, has anyone ever received a warranty replacement on a shredded tire?
On that subject tho, I have to give Discount tires a high rating for their tire warranty. I resisted for years but finally gave in when we went to GR Commercial T/A 16in LT tires on our TT. A tire eating cattle guard ripped the sidewall on one of the tires and they replaced it without even asking what happened. Tires bought in FL and the Discount Tire in MT replaced it. It did cost $25 for the tire warranty on the replaced tire tho.