You take care of your high performance vehicle. Another oil change， another new air filter and your vehicle is running pretty well， but it could be running even better. Get your motor running， and for longer with a KN High Performance Air Filter. This high performance air filter was built to win races and is made up of thousands of tiny cotton strands that work with oil to create an advanced filtration system that allows for more airflow than your standard air filter. And buying a new air filter after every oil change? Forget it， the KN High Performance Air Filter can be washed and reused for the lifetime of your engine.FeaturesDesigned to increase horsepower and accelerationWorks with original equipment manufacturer vehicle electronicsHigh air flow with excellent filtrationLasts up to 50，000 miles before cleaning is required depending on driving conditionsWashable and reusable lifetime air filterMillion Mile Limited Warranty