Silverado_dood

I've run 275/70/18 on my 2014 with a 2.5" lift. No issues with rubbing at all. I would think you'd be fine.

You can "Do it yourself" and hoseclamp to your hearts content... but if the lower seat needs replacing, it needs replacing. The hose clamp won't work because the problem is the clip you have your hose clamp up against is broken. Instead of being able to replace that plastic clip, they have to replace the seat frame. You can usually tell if the clip is broken by lifting up on the seat, one side will go up quite a bit further than the other.