Preformed Exhaust Band ClampLap JointI.D. O.D. Slip Fit ConnectionFits 2 1/2 in. OD PipeIncludes:T-304 Stainless Steel BandAluminized Steel HardwareSold Individually JEGS 555-30732 Preformed Exhaust Lap Joint Band Clamp Features: Preformed exhaust lap Joint band clamps are designed to connect two exhaust pipes of unequal outside diameters (O.D.) together Simple to install and remove with just two bolts to tighten and loosen Preformed band clamps seal better than U-clamps and flat band clamps Includes T-304 band & aluminized steel hardware Other sizes and styles are available and sold separately.