aFe Power 49-44008 Mach Force XP Cat-Back System Features: 4 in. Mandrel Bent 409 Stainless Steel Tubing Maximum Flow High Flow Muffler Bayonet Style Hangers For Easy Installation Polished Stainless Tip Included Limited Lifetime Warranty Height: 13.00 Width: 23.00 Length: 49.00 Weight: 45.00 lbs