51mm Stainelss Steel Exhaust Muffler Pipe Slip On Racing Motorcycle Street BikeDescription: 1. 100% brand new and high quality exhaust muffler.2. Stainless steel welding adaptor allow to fit pipe 38mm - 51mm.3. 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.Specification:Color: SilverMaterial: Stainless SteelConnection Diameter: 51mmInstallation Instruction: NOT Included Package included: 1 x Exhaust PipeSome Accessories