K&N, one of the leading manufacturers of air intake systems, has decades of experience maximizing engine air flow. It makes sense, then that K&N Performance Air Filters are in a league of their own. Every K&N Filter is custom-designed to the engine in your exact year, make, and model. This ensures not just an easy installation, but a precise fit that maximizes your performance and power.
K&N also crafts their filter media from cotton, using a pleated design with 4-6 layers. They're oiled for better dirt-trapping capabilities, and like Green Filters they're also washable for a lifetime of use and re-use. K&N Filters are also specially designed to be 50-state street legal and to have no effect on your vehicle's warranty. That's piece of mind you can count on. Speaking of warranties, K&N backs their filters with a Million Mile/10-Year Warranty.