1983-1986 F-100 / F-150 / F-250 Cat-Back Exhaust Kit (MAG106-0704)BRExhaust direct fit cat back replacement for the 83 86 F 100, F 150, and F 250. Precision mandrel bent aluminized steel tubing delivers better flow than the crush bent OE pipe, and the bolt on multi piece design means you can install it at home with hand tools no welding required. Features Direct fit cat back replacement no cutting or welding Mandrel bent for smoother flow than OE crush bent pipe Durable aluminized steel construction Kit includes (1)