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Part #: AFE51-32322

AFE 51-32322 Pro Dry S Stage 2 Magnum Force Intake System

2011-2016 GM 6.6L Duramax LML
Part #: AFE51-32322
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The AFE51-32322 Pro Dry S Stage 2 Magnum Force Intake System for your 2011-2016 GM 6.6L Duramax LML has resulted in 30 max horsepower, 50 lbs. x ft. torque and out-flowed the factory intake by 48%! This system features a custom built intake tube that incorporates an additional sensor pad for the factory humidity sensor found in the 2013-2016 Silverado HD/Sierra HD models. This system includes, a durable 18-gauge, powder-coated heat shield and features a washable/reusable conical Pro DRY S air filter for maximum flow. 

The Pro DRY S air filter uses three layers of progressively porosity synthetic "oil-free" media to provide maximum airflow for best performance results. This intake system also features a heat-insulating roto-molded plastic tube that replaces the stock intake tract and directs increased airflow with improved volumetric efficiency for maximum performance. This is a direct bolt-on kit that requires no cutting or drilling on OEM parts.
One-Piece Filter Heat Shield:
The air filter is housed in a one-piece, black powder-coated 18-gauge heat shield that minimizes warm engine air for maximum performance. The heat shield attaches to the lower half of the factory airbox to provide direct airflow to the filter.

Roto-mold Tube:
This system uses a C.A.D designed, dyno-tuned, roto-molded intake tube that achieves maximum airflow while maintaining a perfect fit. A sensor pad block-off plate is included to maintain fitment on early 2011-2012 Silverado HD/Sierra HD models.

Large 7"x10" Oval Inverted Top Filter:
This intake utilizes a large 7"x10" oval base filter oval inverted top. A 5-1/2" diameter opening provides for maximum airflow. This 3-layer progressively finer porosity synthetic ""oil-free"" media air filter provides maximum airflow for increased horsepower and torque.

Hassle-Free Installation:
aFe has developed this intake to provide a hassle-free installation that utilizes all factory mounting locations, minimizing the use of unnecessary hardware.


  • Increased HP & TQ 
  • Pro Dry S Filter Media
  • Washable & Reusable Filter 


  • MFG. Number51-32322
  • Manufacturer NameAFE
  • Shipping Weight12.00 lb.
  • Shipping Length24 in.
  • Shipping Width13 in.
  • Shipping Height17 in.
  • EO NumberD-550-18
  • Filter MediaDry
  • Filter TypeWashable & Reusable
  • Intake StyleEnclosed Air Box


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Questions and Answers

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Most Popular Questions

Will this fit a 2015 HD?
View Staff Answer 

The AFE51-32322 Pro Dry S Stage 2 Magnum Force Intake System will not work on the 2015 applications at this time. AFE only offers the Momentum HD Intake for the 2015’s at this time.

Will this work on a all stock duramax that is not deleted and a stock exhaust?
View Staff Answer 

The AFE 51-32322 PRO DRY S STAGE 2 MAGNUM FORCE INTAKE SYSTEM will fit all 2011-2016 GM 6.6L Duramax LML vehicles. The vehicle does not have to have any modifications to run this cold air intake system.