Description: 1. 100% brand new and high quality exhaust muffler.2. Stainless steel welding adaptor allow to fit pipe 38mm - 51mm.3. Special dual-air-out design.4. Professional installation is highly recommended.Fitment:It is universal muffler can be used for dirt bike、 street bike、 scooter、 ATV、 Quad and any other bike with pipe diameter 38-51 mm.Note:Suitable for motorcycle which displacement is below 600cc. Specification:Color: Carbon fiber colorMaterial: Stainless steel + Imitation of carbon fiber plasticConnection Diameter: 51mmTotal Length: 380mmInstallation Instruction: NOT included Package included: 1 x Exhaust PipeSome Accessories