K&N has designed a performance air intake system for the 2005-2007 Chrysler 300C, 2006-2007 Dodge MagnumCharger 5.7L and 6.1L. K&N dynamometer tests show a 21.09 horsepower gain at 5216 RPM with use of this K&N air intake modification. K&N tests multiple vehicles for each air intake system it makes to ensure a consistent horsepower and torque gain. This video demonstrates the steps needed to install a power gaining K&N air intake into 2005-2007 Chrysler 300C, 2006-2007 Dodge MagnumCharger with the 5.7L and 6.1L engines.