Options include: five distinct engine noises, two distinct Jakebrake sounds, four distinct mud guards, three distinct exhausts, two distinct exhaust covers, three different fuel tanks, front bugguards, and several more extras.customizeable cabin livery (using Photoshop or Paint); blank exhuast plate for adding your own designs (using Blender); animated mudflaps; animated Arials; and animated cabin

JFL Modding is credited.