51-12592 - aFe Intake System - MagnumFORCE Stage 2

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Part #: 51-12592
Notes: Magnum FORCE Stage-2 Pro Dry S Air Intake System
Inc. Air Filter w/Inverted Top/Top Mounted Heat Shield/3 1/2in Black Powdercoat Intake Tube
+10 HP /+15 Lbs. x Ft. Torque
MSRP: $436.25
Your Price: $345.51

This Item Also Available In

Part Number Price Notes & Specs
54-12592 $345.51 Notes Magnum FORCE Stage-2 Pro 5R Air Intake System
Incl. Air Filter w/Inverted Top/Top Mounted Heat Shield/Blk. Powdercoat Alum. Intake Tube/3 Angle Adaptor
+10HP/+15Lbs.xFt. Torque

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2011 - 2014 F-150 STX V6 3.7 ALL ALL ALL
2011 - 2014 F-150 XL V6 3.7 ALL ALL ALL
2011 - 2014 F-150 XLT V6 3.7 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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