Feature: Adjustable exhaust coupler sleeve, Designed to join same diameter pipes and tubes together without the need of welding. Quick and easy to install No special tools required no welding required. Specification: Material: Stainless Steel Color: Silver Tone Tube Inner Diameter: 65mm / 2.56'' Tube Outer Diameter: 66mm / 2.60'' Clamp Inner Diameter: 69mm / 2.72'' Length: 80mm / 3.15'' Note: Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm). Package Include: 1 x Exhaust Pipe Connector