aterial: 100% Stainless Steel Tubing O.D. Size: 4in. System Type: Turbo-Back TIP O.D. Size: 5in. TIP Quantity: 1 Single/Dual: Single Exit Position: Rear Side Exit Features and Benefits: MagnaFlow’s XL Performance diesel systems are our mid-level performance diesel system featuring a 100% stainless steel muffler and mandrel-bent stainless steel tubing with a single wall tip(s). MagnaFlow XL Performance Diesel Exhaust comes with a Lifetime Warranty, Dyno Tested And Proven To Make Power, Performance Gains In Horsepower And Torque, Great Sound -Has A Smooth; Deep Tone, Easy To Install, Mandrel-Bent. All Welded. Built To Last.