3 inch Intake Charge Pipe 03-07 Dodge Ram Cummins 5.9L Diesel For 03-07 Dodge Ram Cummins 5.9L Diesel. This is a New Intake Elbow Pipe Developed By CXRacing From Ground Up. To Replace Restricted Factory Intake Elbow with Mandrel Bent Pipe Offers Better Flow Radius. Connects to Factory Intake Heater Flange. Mandrel Bent 3" Aluminum Pipes, 2mm Thick, Holds High Boost.