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Part #: AFE51-12322-1

AFE 51-12322-1 Pro Dry S Stage 2 Magnum Force Intake System

2011-2016 GM 6.6L Duramax LML
Part #: AFE51-12322-1
$334.39 $ $300.95
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The AFE 51-12322-1 Pro Dry S Stage 2 Magnum Force Intake System increases power, flow and performance in your 2011-2016 GM 6.6L Duramax LML. With this intake system, you can see an increase of up to +36HP & +63 lbs ft torque. Easy bolt-on installation that requires no drilling, and no modifications. 

5-1/2" Flange Large Air Filter:
This intake system utilizes a "Oil-Free", 8" tall inverted top conical 360 degree radial flow performance air filter with 3-layers of progressive finer porosity synthetic media providing  maximum airflow and performance.

High Quality Tubes:
This system uses a high quality plastic CAD designed, dyno-tuned, roto-mold intake tube to achieve maximum power gains while maintaining a perfect fit. 

One-Piece Housing:
Sturdy 18 Gauge Powder-Coated One-Piece Housing blocks performance-robbing engine heat. This heat shield requires no assembly and uses factory mounting locations for fast and easy installation.

3-Angle Adapter:
The 3-Angle adapter is used to speed up the airflow after the air filter for improved performance and throttle response.

Hassle-Free Installation:
All clamps, couplings, and hardware are included for hassle-free installation. This is a direct bolt-on kit that requires no cutting or drilling on factory parts.


  • +36 HP  / +63 lbs. x ft. Torque max gains
  • Outflows factory intake by 33%
  • CAD-Designed Roto-Molded Intake Tube
  • Powder-Coated One Piece Housing utilizes stock mounting locations
  • 3-Angle filter adaptor increases air velocity after the air filter for improved flow
  • Pro DRY S oil-free 3-Layer Progressively Finer Porosity Synthetic Media 
  • No Cutting or Drilling on Factory Parts for Faster Installation


  • MFG. Number 51-12322-1
  • Manufacturer Name AFE
  • Shipping Weight 18.00 lb.
  • Shipping Length 24 in.
  • Shipping Width 14 in.
  • Shipping Height 13 in.
  • EO Number D-550-18
  • Filter Media Dry
  • Filter Type Washable & Reusable
  • Intake Style Open Air Box
  • UPC 802959514269
  • Warranty Yes
  • Warranty Info 2 Year Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Most Popular Questions

How will this affect the current wiring on the stock air intake? Ive read horror stories about the air intake Is there going to be an issue with the wiring going to the stock air intake system?
View Staff Answer 

The AFE 51-12322-1 PRO DRY S STAGE 2 MAGNUM FORCE INTAKE SYSTEM will be a drop-in intake system for the following applications: 2011-2016 GM 6.6L Duramax LML. All factory sensors within the intake system will be relocated into the new cold air intake system with no cutting, splicing, or modification.