K&N automotive replacement filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. Made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life. Virtually every vehicle on and off the road and they are custom designed to fit into your specific vehicle’s factory air box. Simply drop in once and you’ve boosted the lifetime performance of your vehicle in as little as 5 minutes!