3-1/2 304 Stainless Steel Tubing: This system is constructed of durable mandrel-bent 3-1/2 304 stainless steel tubing for maximum corrosion resistance. Mandrel-bent tubing for maximum air flow and low turbulence; increasing torque, horsepower and improved throttle response. This exhaust system is designed to fit models equipped with factory single side exit exhaust. Product Features:Constructed out of 3-1/2 Mandrel-Bent 304 Stainless Steel TubingUtilizes a High-Flow Stainless Steel MufflerRear Side-Exit Exhaust with 4-1/2 x 12L Black 409 Stainless Steel Exhaust TipUses Bayonet Style Hangers and Heavy-Duty Band Clamps for a Secure Fit