Engineered specifically for 2017 through 2019 Chevrolet Silverado and GMC Sierra 2500/3500 heavy-duty trucks powered by the 6.6L Duramax L5P turbo diesel V8 engine, the aFe Power Magnum FORCE Stage-2 XP Open-Element Cold Air Intake System with Pro 5R Filter (Part # 54-12902R) provides a high-flow breathing upgrade paired with an open-element heat shield design.

Featuring a durable XLPE polymer open housing that showcases a massive 9-inch radial-flow pre-oiled Pro 5R filter, this system outflows the factory intake by up to 84% while delivering an aggressive, satisfying turbo whistle under acceleration.

Key Features & Benefits

• Dyno-Proven Power Gains: Delivers significant increases of +18 horsepower and +43 lb-ft of torque.
• Massive Airflow Increase: Outflows the restrictive factory stock airbox by up to 84%.
• Pre-Oiled Pro 5R Filter: 5-layer progressively finer cotton gauze media maximizes airflow velocity and filtration efficiency.
• Open-Element Design: Maximizes air volume and provides an aggressive under-hood turbo induction tone.

Technical Specifications

• Manufacturer / Brand: advanced FLOW engineering (aFe Power)
• Manufacturer Part Number / SKU: 54-12902R (Magnum FORCE Stage-2 XP Open Series)
• Product Type: Open-Element Cold Air Intake Performance System
• Filter Element Type: Massive 9" Conical 360° Radial-Flow with Inverted Top, Pre-Oiled 5-Layer Cotton Gauze (Pro 5R Media)
• Housing Material: Open-Element XLPE Polymer Heat Shield
• Truck Compatibility: 2017–2019 GM 2500 / 3500 Heavy Duty (Duramax L5P)
• Engine Platform: 6.6L Duramax L5P V8 Turbo Diesel
• Core Requirement: None
• Warranty: aFe Limited Lifetime Warranty

Vehicle Fitment & Technical Installation Notes

• 2017–2019 GM 2500 / 3500 – 6.6L Duramax L5P Turbo Diesel
• Installation Tip: Direct bolt-on design utilizes factory mounting points and OEM air inlet with zero cutting required. Tighten all band clamps securely. Note: Not currently CARB exempt; verify local emissions compliance for street use.