Description: 60mm to 51mm motorcycle exhaust pipe adaptor. Made of stainless steel, corrosion resistance, durable. Improving the performance of exhaust. Precision benders for easy installation Fitment: Connecting Components for 60mm to 51mm Exhaust Pipe Specification: Material:Stainless Steel Length: 84mm/3.31 inch Inlet Inner Diameter :60mm / 2.38 ” Outlet Inner Diameter :51mm / 2 ” Package Includes: 1 Piece Exhaust Pipe Adaptor Note: 1.Please allow slightly difference due to manual measurement. 2.Color may be slightly different from the pictures because of different screen and light. Please kindly understand