Type: Exhaust Pipe Sleeve Clamp. 1pcs 2" /2.5" Exhaust Pipe Sleeve Clamp. Our exhaust clamp are made from high quality 304 Stainless Steel and plating zinc. Fit for 2"/2.5" Exhaust Tube Pipe. 360-degree clamping of the exhaust tubing to prevent exhaust leakage and noise.