Sleeper extender skirts designed for Peterbilt 389 models 2014+. These 3″ extender skirts are designed to continue the TRP sleeper skirts to the end of the factory sleeper extender. Designed to fit 58″ or 72″ sleepers. Sold in pairs. Plain (no lights). Hardware included. *NOTE*: Our product line refers to new sleeper sizes. The 58″ and 72″ sleeper sizes listed refers to the new sizes and are equal to the old sleeper size of 48″ or 63″.