Material: 100% Stainless Steel - Satin FinishBody Shape: 5in.x11in. OvalInlet/Outlet Size: 2.5in./2.5in.Body Length: 22in.Overall Length: 28in.Core Size: Dual 2.5in.Position: Dual/DualFeatures and Benefits: Straight-Through Wide-Open Performance, Reversible, Tru-X Perforated Core, Lifetime Warranty, Dyno Tested And Proven To Make Power, Performance Gains In Horsepower And Torque, Great Sound - Has A Smooth Deep Tone, All Welded, Built To Last