aFe Power 49-14001 Large Bore HD Cat-Back System Features: 4 in. Mandrel Bent 409 Stainless Steel Tubing Maximum Flow High Flow Muffler Lower EGTs Bayonet Style Hangers For Easy Installation Increased Horsepower And Torque Limited Lifetime Warranty Height: 14.00 Width: 19.00 Length: 60.00 Weight: 63.00 lbs