Dimension: 3" inner diameter inlet, 3" inner diameter outlet, 17.3" overall length, 9" round body width, 7'' body length. Material: Made of aluminized steel construction, high temperature resistance, corrosion resistance, and have long service life. Design: Single chamber tri-flow design creates a surging and powerful aggressive deep sound. Clear "INLET" marking for correct installation. Advantage: Exhaust muffler promoting uninterrupted exhaust flow,reduce exhaust back pressure, and delivering a smooth and deep tone and improve vehicle performance. Installation: Fit for all 3 inch exhaust pipe, can be installed using welding or exhaust clamp. Piclafe Universal Mufflers Single Chamber 3" Inlet 3" Outlet 17.3" Overall Length, Aluminized Steel Performance Muffler for Cars, Trucks