aFe 54-10412 P5R Cold Air Intake System for 03-07 Dodge Ram Cummins 5.9L Diesel

Vehicle Fitment

• 2003-2007 Dodge Ram 2500 (5.9L Cummins I6 Turbo Diesel, RWD & 4WD)
• 2003-2007 Dodge Ram 3500 (5.9L Cummins I6 Turbo Diesel, RWD & 4WD)

Fitment Notes

• Designed for vehicles equipped with the 5.9L Cummins 24-valve turbo diesel engine.
• Replaces the factory air intake system from the airbox to the turbo inlet.
• Emissions legal in all 50 states under CARB EO# D-550-4.
• Not compatible with 6.7L Cummins engines (2007.5+ models).

Features

• Delivers up to +18 horsepower and +24 lb-ft torque gains over stock intake system
• Outflows factory intake by up to 117% for improved engine breathing and performance
• One-piece, roto-molded intake tube minimizes restrictions and turbulence
• Large 360° radial flow Pro 5R oiled cotton-gauze filter -- washable and reusable
• Powder-coated heat shield isolates intake air from engine bay heat for cooler IATs
• Durable 4-ply silicone couplers resist heat, pressure, and cracking
• Direct bolt-on installation using factory mounting points -- no drilling required
• Compatible with stock or aftermarket tuning -- no ECU recalibration required

Specifications

• Part Number: 54-10412
• Intake Type: Cold Air Intake (Stage-2 Magnum FORCE)
• Filter Type: Pro 5R oiled, 5-layer cotton gauze (washable/reusable)
• Filter Diameter: 7" base x 5" top x 9" height (360° radial flow)
• Horsepower Gain: Up to +18 hp
• Torque Gain: Up to +24 lb-ft
• Flow Increase: Up to 117% over stock
• Material: Roto-molded polyethylene intake tube / powder-coated steel heat shield
• CARB Status: EO# D-550-4 (50-state legal)
• Installation Time: ~1 hour with basic hand tools

Included Components

• 1x Roto-molded intake tube
• 1x Pro 5R high-flow air filter
• 1x Powder-coated heat shield
• 1x Silicone coupler and clamps
• 1x Complete mounting hardware kit
• 1x Installation manual

Product Description

The aFe 54-10412 Magnum FORCE Stage-2 Cold Air Intake System is engineered to unlock the full potential of your 2003-2007 Dodge Ram 2500 or 3500 equipped with the 5.9L Cummins turbo diesel. Featuring a one-piece roto-molded intake tube, a large 360° radial flow Pro 5R filter, and a powder-coated steel heat shield, this system delivers up to 117% more airflow than the restrictive factory intake -- translating into dyno-proven gains of up to +18 horsepower and +24 lb-ft of torque.

Installation is straightforward with no drilling required, and the included Pro 5R filter is washable and reusable for long-term use. This intake is also 50-state legal under CARB EO# D-550-4. Whether you're towing, hauling, or building a performance diesel, the aFe Magnum FORCE 54-10412 provides cooler intake air, faster turbo spool, and noticeable performance gains while maintaining OEM fitment and reliability.