When I got my new Toyota 4Runner, I knew the first thing I wanted to do was get it undercoated with WoolWax. If 4Runners have a weakness, it's susceptibility to rust. I saw Diamond Detailing was the only local place that did WoolWax undercoating, so I gave them a call. It took several weeks before I could get in, but once I did, my truck was done in a day. The undercoating looks amazing and was very cleanly done. Every little nook and cranny seems well covered , so rust shouldn't be a problem. read more