aFe MagnumForce Stage 2 Si Cold Intake System w/PDS 03-07 Ford Diesel Trucks V8-6.0LThe simple yet elegant design of the one piece sealed housing makes installation a snap and features our patent pending filter to housing interface. The heat soak resistant material ensures the coolest air intake charge available. A diamond tread plate pattern is molded directly into the top of the air box to give your truck the next level of personalization that it deserves. A urethane plug is also included if you wish to block off the auxiliary air