Here is a 3 min video with a 89 K5 Blazer, a 90 GMC Suburban, and a 04 Hummer H2, Enjoy the offroad.... end results of the trip. Blazer no damage.... Suburban no damage... H2... Lots of scratches and some small underbody damage. http://www.egellenbeck.com/mudonthetires.avi enjoy. P.S. this is a short video about 3 min and it is only 7 mb. but it is cool.