Introducing the Sound Skins Peterbilt Sound Deadening Kit, designed to fit perfectly in your Peterbilt 389 (2016-2023), 386 (2005-2015), and 388 (2006-2015). We've collaborated with Sound Skins, the leading Sound Deadening company, to bring you a premium kit that covers your floor, doors, and cab corners. This kit is available for both doors and the floor, and comes with free shipping. Reduce noise and enjoy a more comfortable ride with the Sound Skins Peterbilt Sound Deadening Kit.