K&N Drop In Air Filter Chrysler 300 / 300C / Dodge Charger / Magnum (33-2295)High Performance Replacement Air Filter by K&N K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple. With most vehicles you