Quantum Cold Air Intake Systems (Patent Pending) by aFe POWER are the latest in airflow technology for your GM Duramax 6.6L (td) truck. From the uniquely integrated filter-to-housing design to the state of the art, lightweight injection molded base and top Pro 5R filter, Quantum delivers dyno-proven performance gains, convenience, value and installs in minutes.

  • Measured flow: 660 CFM @ 7″ H2O
  • Outflows factory intake by 53%
  • +50 lbs. x ft. Torque/ +21 HP gains
  • Pro 5R Filter: Oiled, 5-layer progressive cotton composite media for maximum flow and filtration
  • Unique filter-to-housing interface for secure fitment and easy Installation
  • CAD-designed XLPE roto-molded intake tube for optimum air flow, heat soak resistance and durability
  • Silicone bellows coupling and quality stainless steel clamps for a secure install

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