Anybody have chrome plastic clad wheels that this is happening to? Steel wheels? Anybody tried slamming their truck or extending the air dam down? Perhaps it is air velocity related? I don't have it but am interested in what people have tried. Things i've seen so far: Drive shafts, ring gears, differentials, wheels, tires, body mounts,motor mounts, tranny mounts. Things i have not seen: transfer cases, cv shafts, transfer case drive shaft, bearing hubs. not much left after these components is there? My condolences to those with this issue.