Description
The Magnum FORCE Stage-2 Cold Air Intake System with Pro 5R Filter is engineered for 2017–2019 GM 6.6L Duramax diesel trucks to deliver maximum airflow, horsepower, and torque with a signature aggressive intake sound. Featuring an open-element design and oversized filter, this intake system not only improves performance but also creates a powerful turbo whistle that announces your vehicle’s presence under power.
Dyno-Proven Performance
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Up to +8 HP & +19 lb-ft of torque
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Outflows factory intake by 81%
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Measured airflow: 750 CFM @ 7" H₂O
Large Five-Layer Pro 5R Performance Air Filter
At the core of the Stage-2 system is a 9-inch tall, 360-degree radial flow Pro 5R air filter with a 5-inch flange and five layers of pre-oiled cotton gauze media. The inverted top design increases filter surface area, allowing more airflow and longer maintenance intervals. Washable and reusable, this filter provides consistent, high-performance filtration for both street and track use.
Unique Open-Element Housing
The open-element XLPE polymer housing surrounds the oversized filter, minimizing heat soak and maximizing airflow. Its design allows easy inspection and highlights the Pro 5R filter while producing an aggressive air intake sound. The system integrates with the factory air inlet without requiring additional hardware.
Dyno-Tuned Intake Tube
The CAD-designed, dyno-tuned intake tube ensures maximum airflow while maintaining perfect fitment. Constructed from heat-resistant XLPE, it is extremely durable and optimized for power gains.
Hassle-Free Installation
This direct-fit intake system uses factory mounting locations for a quick 15-minute installation, requiring no cutting or modifications. Included hardware and clamps are premium quality, and the patent-pending filter-to-housing interface reduces part count by half compared to traditional cold air intake systems.
Emissions Disclaimer
This product is not CARB exempt and cannot be sold or used in California on vehicles registered with the DMV.
Vehicle Fitment
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Chevrolet Silverado 2500 HD: 2017–2019, Diesel, V8-6.6L (Duramax)
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Chevrolet Silverado 3500 HD: 2017–2019, Diesel, V8-6.6L (Duramax)
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GMC Sierra 2500 HD: 2017–2019, Diesel, V8-6.6L (Duramax)
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GMC Sierra 3500 HD: 2017–2019, Diesel, V8-6.6L (Duramax)
Key Features
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Dyno-proven gains: +8 HP & +19 lb-ft torque
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81% increase in airflow over OE intake
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Oversized Pro 5R five-layer air filter
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Aggressive turbo whistle sound
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Open-element XLPE housing for heat reduction and airflow visibility
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Dyno-tuned intake tube for maximum power
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Quick, direct-fit installation with factory mounting points
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Patent-pending filter-to-housing interface for easy maintenance
