ITEM NAME:28mm Inlet Dia Exhaust Pipe Aluminum Alloy Muffler Silencer For Scooter Description: Stainless steel internal core provides increased durability over mild steel. Giving you a high performance system with a minimum amount of maintenance. Exhaust core and end-cap shape has been optimized to extend the output of exhaust. Gives your vehicle a better air Flow And performance. Made of stainless steel, anti-corrosive, corrosion resistance, durable. Specification: Size(L×W×H): 250mm×90mm×90mm/9.84inch×3.54inch×3.54inch Material: Metal Inlet Inner Diameter: 28mm/1.1 inch Package Includes: 1 Piece Motorcycle Exhaust Muffler.1 Piece Motorcycle Exhaust Muffler. Stainless steel internal core provides increased durability over mild steel. Made of stainless steel, anti-corrosive, corrosion resistance, durable. Gives your vehicle a better air Flow And performance.