Compatibility: universal fit for any 47mm intake system.The air filter can filter dust and sand in the air inflow to your engine, is suitable for car, tractor, truck, motorcycle etc.Better fuel efficiency and more horsepower.Built in a adjustable worm drive hose clamp. It is made to be clamped directly to the back of your CARB, by installing a filter on each CARB.Reduce restriction from the air box and allow each cylinder to breathe on its own.Directly bolt-on with no modification require.Designed with metal and filter paper, is easy to install.Package includes: 1 x motorcycle air filter1 x adjustable clamp