Banks Power Extension Kits are made from durable galvanized T-409 Stainless Steel. These kits come with necessary hardware for the applications listed in their description. Exhaust Extension Kit, Stainless Steel, for use with Ford Class A Motorhome, 179 Inch-208 Inch W/B Wheelbases, without Catalytic Converter Key Features: Extension kit w/heatshielding Includes 3-inch x 33-inch Extension Pipe Includes heatshield and hardware CARB E.O. Not Required