The Mopar cold air intake replacement part is designed to carefully regulate the temperature of your engine by funneling outside air directly into the vehicle's intake manifold. Once it is installed, the cold air intake will provide a clear performance improvement to horsepower and torque, depending on the atmospheric conditions. This part is compatible with 2011 Dodge Charger and Challenger models with 5.7-liter engines. Mopar is the official replacement part division of Chrysler vehicles, ensuring the best possible compatibility with your vehicle.