It Is Universal Motorcycle Exhaust Muffler Can Be Used For GY6 ATV Scooter Dirt Bike Pit Bike Street Bike Ninja 300 400 Yamaha R3 BMW HONDA KAWASAKI SUZUKI100% Brand New, Never Mounted.Comes with a stainless steel welding adaptor allow to fit pipe 38mm – 51mm.Removable DB Killer reduce the noise,give a different riding experience.The motorcycle exhaust muffle is made of stainless steel with frosted surface,durable for long time use.It’s a good upgraded exhaust / muffler to increase the power performance for the motorcyclePart number: BR035632323Product DescriptionFeatures: 1100 Percent Brand New, Never Mounted, High Quality Removable DB Killer Stainless Steel Welding Adaptor Allow To Fit Pipe 38mm – 51mm Reducing Overall Weight For Top Performance To Obtain Max Output Professional Installation Recommended Specification: Color: As Pictures Material: Stainless Steel Connection Diameter: 51mm(2inch) we have a welding bracket to fit pipe with outlet 38-51MM. Fitment: It Is Universal