There are no extenders with these sleeper skirts. Designed for Peterbilt 388 (2007+), 389 (2007-2013), and 2007+ 367 and 365 models with 72″ sleepers. Will not fit 2018+ 389 Long Hood (131″ BBC) models. These sleeper skirts measure 4″ wide and are plain (no lights). Sold in pairs. Hardware is included. Some drilling may be required. *NOTE* Our product line currently references new sleeper sizes. 72″ new size is equivalent to 63″ old sleeper size.
For ordering or pricing information, please visit your local Peterbilt dealership.