The Banks 42766 High Ram Intake Manifold is designed to deliver instant torque and quicker throttle response for your 5.9 Cummins engine. This product improves airflow from the intercooler, and is larger and less restrictive than stock intake manifolds. It also raises boost without increasing turbine drive pressure. This product includes up to six 1/8-inch NPT ports, 3.5-inch mandrel-bent boost tube, and is CNC port-matched for stock heater. It also comes with the Banks Billet Heater Delete. This product out-boosts the competition by up to 56.9%.