This listing is for a brand new 4" Back Performance Exhaust System. The kit will come complete with hardware including clamps and hangers. Please make sure you have the correct vehicle model exactly as shown below. 4" Back Exhaust System Straight Pipe Design, No Muffler 1999-2003 Ford F250/F350 Power Stroke 7.3L Turbo Diesel Will Fit Extended & Crew Cab, Short or Long Bed Aluminized Steel Mandrel Bent 4" Tubing For Maximum Flow No Muffler, Straight Pipe Design Simple Bolt On Hangers Complete With Hardware For Installation Professional Installation Strongly Recommended