I have the sliders and love them. They will also lower the car about half inch. They eliminate all friction in the rear of the spring and let it do its job. They eliminate all side to side flex as well.
Pics of your slider install convinced me to do the same. Mine are on order.
His pics (post 384)
http://www.forabodiesonly.com/mopar/showthread.php?t=14254&page=16