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 smart car factory air box. Their drop-in design means adding performance is simple. You simply remove your smart car disposable air filter and replace it with a K&N.
K&N stock replacement air filters are covered by their famous K&N Million-Mile Limited Warranty™ and will be the last air filter your smart will ever need.
Increase you mileage, performance, save money by eliminating the need to buy disposable filters and at the same time cut down on waste.
Don't forget to check out our other drop in replacement filter options.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov