K&N 33-2022 Air Filter For over half a century, the people at K&N have worked tirelessly to lead the automotive industry in providing quality filters. Their careful research has resulted in cutting-edge designs that ensure premium performance and protection, adding years to your vehicle's lifespan. Once installed, you'll notice the difference a K&N Air Filter makes immediately. This filter allows your engine to breathe cool, clean air, which ultimately improves the quality of combustion, resulting in serious boosts to both power and acceleration that you can see and feel. It consists of four to six pleated sheets of high-quality cotton fabric that have been oiled and affixed between two layers of aluminum wire. This system effectively stops dust and particulates from getting into your engine, so your fuel has clean air to combust with, giving you a palpable edge. Installing a K&N Performance Air Filter beneath your hood also means you're doing your part for the planet. A reusable air filter means a reduction in landfill waste because you're not throwing it away. This filter will last as long as you own your vehicle, simply remove and clean it every 50,000 miles.