4" Aluminized Steel Turbo Back Exhaust System Kit 99-03 Ford 7.3L Diesel Pickup Truck Fits: 1999-2003 Ford F250/F350 Power Stroke 7.3L Turbo Diesel Will Fit Extended & Crew Cab, Short or Long Bed 4" Turbo Back Performance Exhaust System, Downpipe Included Straight Pipe Design, No Muffler Mandrel Bent 4" Tubing For Maximum Flow