The Banks Power 42766 3.5 Monster-Ram Intake Manifold for your 03-07 Dodge 5.9L Cummins provides your engine with increased airflow. Maximum power, performance and efficiency are the ultimate goals, but to make it all happen the engine has to breathe freely and without needless restrictions. Finding ways to pump your engine full of cooler, denser air has always been the key. Our High-Ram intakes have always whipped the competition. Our new Monster-Ram flat-out destroys it.