The Momentum HD Series Cold Air Intake Systems are designed to give your Cummins, Power Stroke or Duramax the air it demands. All Momentum HD Series Cold Air Intake Systems are application specific, tested and tuned to provide maximum horsepower and torque. Each Momentum HD Series Cold Air Intake System is tested at aFe's in-house dyno in Corona, CA. The Momentum HD Series feature a one-piece sealed housing, filter-to-housing interface, premium hardware, and filter options of ProDryS, Pro5R, ProGuard7, or Pro10R depending on your performance needs.