WASHABLE, REUSABLE AND DESIGNED TO LAST
K&N engine air filters are designed to be washable, reusable and to last the life of your vehicle. The premium filter design incorporates multiple layers of patented cotton gauze media and a specially engineered oil, originally designed for the demands of the racetrack and now custom-engineered for your vehicle. Tested, proven and trusted for over 50 years, millions of drivers trust K&N air filters to help protect their engines from premature wear. Use our simple vehicle selector to view filters that fit your year, make and model.
RESISTANT FOR LIFE
Unlike disposable filters that must be replaced frequently, K&N® High-Flow Air Filters™ are washable, reusable and designed to last the life of your vehicle. Feel confident in your purchase with a “No Hassle” Lifetime Limited Warranty.
DESIGNED
FOR PERFORMANCE
Originally designed for high performance on the racetrack, now custom designed for your vehicle’s make and model. K&N® air filters are tested on a SuperFlow flow bench to ensure increased airflow over a stock filter. See test data for many K&N filters on individual product pages.
PROTECTS YOUR ENGINE
K&N's next-generation filter features thousands of microscopic cotton fibers, and an innovative layered, oiled cotton media design helps capture dirt and protect your engine from contaminants. Each filter design is tested in an ISO 5011 laboratory to ensure excellent filtration efficiency for exceptional engine protection.
PROVEN ON THE TRACK
K&N’s performance cotton filter design has been tested and perfected over the past five decades, in everything from NASCAR race cars to top-of-the-line fuel dragsters to commuter vehicles. Millions of drivers continue to trust K&N air filters for their proven performance and American-made quality.
REDUCES WASTE
Over 100 million disposable air filters and their packaging waste end up in landfills each year. Choosing a washable, reusable product that will last the life of your vehicle helps reduce unnecessary waste.
QUICK AND EASY INSTALLATION
Designed to easily fit into your factory air box as easily as any other air filter. Typically installs in less than five minutes with no tools required.
Compatible with:
.
HARLEY DAVIDSON 45Ci V-Twin 45 Ci 1941 - 1955
HARLEY DAVIDSON 74Ci V-Twin 74 Ci 1955 - 1956
Ausa Maxi 1.75L L4 Carb 1969 - 1969
Austin Maxi 1.7L L4 Carb 1980 - 1980
Austin Allegro 1.7L L4 Carb 1980 - 1980
Austin Maxi 1750 L4 Carb 1970 - 1981
Austin Ambassador 1.7L L4 Carb 1982 - 1984
Austin Ambassador 2.0L L4 Carb 1982 - 1984
Austin Allegro 1500 L4 Carb 1973 - 1984
Austin Allegro 1750 L4 Carb 1973 - 1984
Austin Maxi 1.5L L4 Carb 1969 - 1980
Austin Maxi 1500 L4 Carb 1970 - 1981
Austin Allegro 1.5L L4 Carb 1980 - 1980