51-11972-1B - aFe Intake System - MagnumFORCE Stage 2

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Part #: 51-11972-1B
Notes: Magnum FORCE Stage-2 Pro Dry S Air Intake System
Incl Air Filter w/Inverted Top/1-Piece Powdercoat HeatShield/Wrinkle Black Powdercoat Alum Intake Tube
+18HP/+22Lbs xFt. Torque
MSRP: $473.75
Your Price: $375.21

This Item Also Available In

Part Number Price Notes & Specs
54-11972-1B $375.21 Notes Magnum FORCE Stage-2 Pro 5R Air Intake System
Incl. Air Filter w/Inverted Top/Top Mounted Blk. Powdercoat Heat Shield/Wrinkle Blk. Alum. Intake Tube
+18 Hp/+22 lbs x Ft. Torque

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2011 - 2012 F-250 SUPER DUTY ALL V8 6.2 ALL ALL ALL
2011 - 2012 F-350 SUPER DUTY ALL V8 6.2 ALL ALL ALL

Product Description

For the largest possible performance gain replace the entire air box and intake tract with the aFe Stage 2 Open Element Air Intake System.


  • No Floating Tubes – Built-in ram scoop forces cold air to filter for greater efficiency and performance gains.
  • Clamp Stops – Raised stops on aFe tubes provide a more secure seal and eliminate slippage versus flat, straight tubes.
  • 3-Angle Adapter – Specially developed velocity stack with 3 different angles dramatically increase airflow from the filter to the intake tube.
  • Quality Hardware – aFe uses only top-quality hardware like stainless steel button head bolts and brass inserts.
  • 3 Filter Media Choices – Choose from the Pro 5R, Pro Dry S or Pro-GUARD 7 Filter.

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