After driving 31,000 miles on the Kumho Road Venture KL71, I replaced them with Nitto Terra Grappler. I still has some life left of the Kumho tires too. Enough life that America's Tire gave me $80 credit for all 4 tires.
I though the 33x12.5 20 Kumho tires would be the same size as the Nitto, but I was wrong. The Nitto are a lot wider and causes a bit of rubbing in the wheel well. I had to do the pinch weld mod to make room for the new Nittos tires.
My initial thoughts of these tires compared to the Kumho mud terrains is that it made a night and day difference between how smooth it rolls. It still feels kind of strange with the Nitto tires because it so smooth and quiet at times I think something is wrong with my truck because I can hear the engine. The Kumho MT was not very loud but it is no were a quiet at the AT's.
I put a Nitto tire that was mounted on the 20 inch wheel on a scale and it weighed 97lbs.




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