K&N Has Your Back
K&N Million Mile Limited Warranty®
K&N auto filters are guaranteed to perform for up to 10 years or 1,000,000 miles without needing replacement. Visit the K&N Million Mile Limited Warranty page for more details.
Designed to Increase Horsepower
K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow.
K&N
History
K&N Filters has been designing and manufacturing performance air filters since 1969. K&N also makes thousands of racing and specialty type air filters and we are the #1 Filter in NASCAR®.