cannot tell you what taller tires will fit for sure without rubbing, but I have gone thru 4 sets of Firestone AT's , friends son worked at a dealer ship that sold them and got them for me dirt cheap, I never got more than 22,000 miles out of a set of them
I personally would NOT recommend them at all, if your paying retail price on them, I was getting a set for about 600 bucks, installed and balanced!
so, I didn;'t cry on the crappy mileage so much!
but when my friend's son quit, I also quit buying them
all were tire size 285-75-17 load e's
my '16 has the Firestone transforce HT's 275/70/18 from factory and have about 16,000 miles on them and there below 50% tread, so NOT impressed with them either
will be going to Coopers or michelin's