Happytrails

I would say, and I'm by no means an expert on it, lol, I just stayed at a Holliday Inn.......If the rear end of your Explorer dips more than 2 inches when applying the extra weight, you DO need one, besides, just having the peace of mind means a lot to most people...........Just my .02

[glow=red,2,300]Happytrails......[/glow]