To answer my own question and provide a reference to other 2014+ owners.
I purchased a set of 295x60 20 Nitto Ridge Grapplers from
Tire last week and had them installed. Excellent and quick service, and they were hesitant about the size on the truck...but it came out perfect.
Truck is completely stock, using stock wheels, no spacers, no level/lift. Tires fit with very minor rub on the drivers side of the skid plate when turning the wheel to the right. The tires clear the UCA with less than inch of space, and some rub can be seen when compressed while turning. The tires clear all plastic lining, but I can't speak to the front mud flaps as I removed those some time ago. I did not take measurements of the fender heights before I put the tires on...minor regret.
These are some aggressive looking tires, and this size fills the wheel wells nicely.
Initial impressions are good. These tires soak up more of the road imperfections, probably due to the larger sidewall. I do notice a bit more wandering over the road but only a minor amount. Road noise is up, but only slightly...it's not like these are quiet vehicles. Cornering confidence is gaining and there is slightly more body roll, likely due to increased side wall.
- MPG is too early to tell. I have only driven about 300 miles so far and haven't noticed a significant dip in economy. I do have two road trips coming up that should give me an overall better idea of any hit to performance.
- Speedometer: obviously this is off by about 6%. No big deal to me as 90% of my miles are done in the city.
- Power / performance: I notice the truck working slightly harder to get moving or pass in traffic. Maybe a slight increase in the number of downshifts. Overall, definitely enough power to get the truck moving and out of it's own way.
- I will probably get them off road in the sand / mud this coming weekend to get them dirty.
I haven't had a chance to take pics yet, the weather has been a bit wet here...and I want a chance to clean the truck! I'll be sure to get pics of the clearances as well.