Size: 2.5" - 2 PCS 2.5 inch exhaust clamp is to joint 2.5 OD pipe overlapping into 2.5 ID pipe when sealing Muffler Insets, Outsets, Elbow Joints, Flex Pipes and Other Exhaust Components Lap Joint Exhaust Band Clamps is fast, easy and accurate installation, also minimize noise and exhaust gas leak. The lap joint Exhaust Clamp is widely used in exhaust system of Automotive, Commercial Vehicle and off high way industry Roadformer Clamp is made in high quality Stainless Steel and using 12.9 degree high-strength fasteners to provide truly sealing force Designed 360-degree full clamping area to create overall sealing without distorting exhaust pipe, exhaust muffler ends and exhaust tubing in exhaust system connections Our Innovation reaction block technology offers great protection without exhaust ends be damaged when fastening. The band steel is tested over 100 hours salt spray to ensure the great performance in anti-corrosion with superior product quality in durability and reliability The Stainless Steel Band Surface is coming with protection film for Anti-corrosion and durability, we suggest you to remove it before use this clamp.