Muffler. Top Quality Guaranteed.Muffler for 150cc and 125cc GY6 EnginesIt may fit for most Chinese GY6 125cc-150cc Scooters and 150cc Go KartsIt may be compatible with JM Star Tomahawk II, X-Treme Several Models, Qingqi Several Models, Vento Several Models, SUNL Several Models, Various unlisted makes/models, Tank Several Models, Baja, Kymco; Please check pictures and specifications for compatibility. Outer Diameter: 113mm; Length: 410mm; Including 1 Muffler, 3 Bolts and 1 Pipe GasketProduct DescriptionMuffler for GY6 125cc-150cc Scooters and 150cc Go Karts Muffler for 125cc and 150cc GY6 Engines It may fit for most Chinese GY6 125cc-150cc Scooters and 150cc Go Karts It may be compatible with JM Star Tomahawk II, X-Treme Several Models, Qingqi Several Models, Vento Several Models, SUNL Several Models, Various unlisted makes/models, Tank Several Models, Baja, Kymco Please check pictures and specifications for compatibility Outer Diameter: 113mm Length: 410mm Including 1 Muffler, 3 Bolts