For Yamaha XS650 motorcycles. Set includes two K&N air filters.
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most motorcycles you simply remove the disposable air filter and replace it with a K&N. This will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.