Provide a better quality shock and ride over the stock shocks.
2013 XLT Sterling Grey EcoScrew - Llumar CTX 30 Tint, Line-X, Stubby Antenna, Mirror Reflector Delete.
"If you really want something in this life, you have to work for it. Now, quiet! They're about to announce the lottery numbers..." - Homer Simpson
After replacing my shocks I would recommend new shocks for the rear. I replaced mine at 14,000 miles and thought there would not much change over stock rears. The ride now is much improved and the truck bed no longer bounces going over rough road.