Has anyone installed helper bags or springs for a 2003-2006 Expedition? Since I tow a boat/trailer combo that is around 5700-5900lbs, I get a fair amount of sag in the rear. The Expy handles it great and rides/trailers excellently, but I really would like a little less squat when hooked up. Unfortunately the trailer has a very long single piece of frame leading up to the tongue so a Weight Distributing Hitch really won't work properly. I'm sure newer shocks will help a little, but I would like something a little more permanent and can't find anything online that is designed for a 2003-2006. Any help would be appreciated.
Thanks.
Thanks.