Sway bars are described that include at least an inner sway bar, a first outer sway bar, and a second outer sway bar. The sway bar includes a first coupling portion and a second coupling portion that can engage and disengage under control from a remote location. The sway bar includes a larger diameter, outer sway bar assembly that can be disengaged and a smaller diameter inner sway bar. The sway bar can include a housing to retain fluid.