aFe Scorcher HD Power Package 2017 GM Duramax V8-6.6L (td) L5PThis performance package is bang for your buck, it consists of the Momentum HD air intake system (P N: 50 41008 TB), the SCORCHER HD module (P N: 77 44010) and a Restore kit (P N: 90 50501). Momentum HD Intake Features: Unique One Piece High Quality Housing w Auxiliary Inlet: The smooth (Patent Pending) one piece high quality sealed housing with auxiliary air inlet is used to eliminate the use of multiple piece housings and ensure the coolest air