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Part #: AFE75-12322-1

AFE 75-12322-1 Pro-Guard 7 Stage 2 Magnum Force Intake System

2011-2016 GM 6.6L Duramax LML
Part #: AFE75-12322-1
$350.55 $333.02
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The AFE 75-12322-1 Pro-Guard 7 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 pre-oiled, 8" tall inverted top conical 360 degree radial flow performance air filter with 5-layers of progressive cotton media with 2-layers of progressive synthetic media providing 99.7% cumulative efficiency for maximum filtration. (US PAT 06811588).

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 gain
  • Outflows factory intake by 33%
  • CAD-Designed Roto-Molded Intake Tube
  • Pro-Guard 7 pre-oiled, washable & reusable air filter for maximum filtration and engine protection
  • Powder-Coated One Piece Housing utilizes stock mounting locations
  • 3-Angle filter adapter increases air velocity after the air filter for improved flow
  • No Cutting or Drilling on Factory Parts for Faster Installation


  • MFG. Number75-12322-1
  • Manufacturer NameAFE
  • Shipping Weight18.00 lb.
  • Shipping Length24 in.
  • Shipping Width14 in.
  • Shipping Height13 in.
  • EO NumberD-550-18
  • Filter MediaOiled
  • Filter TypeWashable & Reusable
  • Intake StyleOpen Air Box


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Most Popular Questions

Will the intake cause trouble codes?
View Staff Answer 
The AFE 75-12322-1 PRO-GUARD 7 STAGE 2 MAGNUM FORCE INTAKE SYSTEM will not set a check engine light when installed on a 2011-2016 GM 6.6L Duramax LML.

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