k n air filter for aprilia BS90 Note: Images are for reference

Note: Images are for reference only

500 ml bottle

and engine noise clearly audible

1991 900 SL 900cc

Completely keyless

k n air filter for aprilia BS90 Note: Images are for referenceK&N Air Filter for Aprilia K&N Air Filters are designed to achieve a virtually unrestricted air flow while maintaining high filtration levels. The high flow cotton gauze air filter is washable, reusable and built to last for the life of your motorcycle. K&N air filters consist of four to six sheets of cotton gauze layered between two sheets of aluminum wire mesh. This media is then pleated and oiled to enhance its filtering capabilities and overall