Sleeper extender skirts – these 3″ extender skirts are designed to continue the TRP sleeper skirts to the end of the factory sleeper extender. Will fit Peterbilt 389 models 2014+ (58″ or 72″ sleepers). Each skirt has 3 P168 amber lights. Hardware, harnesses, lights included. NOTE: sleeper sizes listed refer to the new sizes and are equal to the old sleeper sizes of 48″ and 63″.