What Velcro....? It came off in the first 2 days.
As for body rub, the front tires rub the edges of the front fenders on hard turns, and can be trimmed without anyone noticing.
On the rear, the tires will fold up and scrape the underside of the body. You can add preload and/or change your shock fluid to 40-45 wt, but it'll still do it, unless you add enough to effect handling. If tried both. I went to that point and the truck stopped sucking up bumps, and rather, bounced off the rear suspension. Not what you want.
You *could* raise the rear body mount somehow, but it's not important enough to me.
Mine's to the point where the paint inside is worn off and the body is almost clear in that spot, but no hints of wearing through.