Fitment – 39mm Air Filter fit for Gy6 Moped Scooter Atv Dirt Bike Motorcycle 50cc 110cc 125cc 150cc 200cc Higher air flow than normal filter for maximum power; Race tested for performance and reliability Race filters increase air flow by up to 25% over standard filters; High quality ensured Uniform and tiny folds,increasing air through the area,filter the impurities in the air,reduce intake noise and reduce wear on the engine,to extend the life of the engine Reuseable and corrosion resistance,precision woven stainless steel outer screen Inside Diameter:39mm (1.536”) -Outside Diameter:73.5mm (2.89”) -Height: 80mm (3.15”) Features This motorcycle air filter boost engine horse power significantly, increase engine power and torque outpout. The air filter prevents abrasive particulate matter from entering the engine’s cylinders to ultimately increase horsepower and improve the gas mileage It can also improve the look of the engine bay and improve the sound of the of the induction This motorcycle air filter specially designed with turbofan, which has high air flow & excellent filtration. Made of high quality metal, cloth, plasticmaterials Air filter mesh is made of activated carbon, cloth and mesh, help your engine to draw more cooler air Compatibility: GY6 Moped Scooter Dirt Bike Motorcycle 50cc 110cc 125cc 150cc 200cc gy6 moped scooter atv dirt bike pocket bike.