Sleeper extender skirts for Peterbilt 389 models 2014+, 78″ sleeper. These 3″ extender skirts are designed to continue the TRP sleeper skirts to the end of the factory sleeper extender. Sold in pairs. Plain (no lights). Hardware included. NOTE: 78″ sleeper size listed refers to the new sizes and is equal to the old sleeper size of 70″.