aFe Magnum FORCE Stage-2Si Cold Air Intake System w/ Pro 5R Media (54-81022-1)
SKU: 13901998514

aFe Magnum FORCE Stage-2Si Cold Air Intake System w/ Pro 5R Media (54-81022-1)

Sale price$156.04 Regular price$173.38
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

aFe Magnum FORCE Stage-2Si Cold Air Intake System w/ Pro 5R Media (54-81022-1)Magnum Force Stage 2 Si Cold Air Intake System with Pro 5R Filter by aFe. Fully enclosed in a heat shielding molded plastic housing; this air intake system features a washable reusable conical air filter that improves airflow for increased horsepower and torque. The housing features an auxiliary inlet duct for better airflow as well as an attractive black powder coated aluminum cover that provides ready access to the filter for servicing. This intake

Magnum Force Stage 2 Si Cold Air Intake System with Pro 5R Filter by aFe. Fully enclosed in a heat-shielding molded plastic housing; this air intake system features a washable/reusable conical air filter that improves airflow for increased horsepower and torque. The housing features an auxiliary inlet duct for better airflow as well as an attractive black powder coated aluminum cover that provides ready access to the filter for servicing. This intake system also features a heat-insulating molded plastic tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance. The filter is constructed with 100% polyurethane for long life and multiple cleaning cycles.

Features:

  • Improves airflow to your enginer
  • Isolates the air filter from engine heat, enabling it to take in cooler, denser air
  • Increases horsepower and torque, improves performance
  • Designed and tested for each specific application
  • Includes a conical high performance aFe air filter
  • Includes a precision designed molded, sealed plastic airbox and plastic intake tube
  • Comes complete with everything required for installation, including comprehensive instructions
  • Can be installed in 45-60 minutes with simple hand tools; no drilling, cutting or fabrication required
  • Limited 2-year warranty


Sealed Intake Design — A completely sealed rotomold plastic housing with a black powder coated aluminum top keeps warm engine air out and allows for a cooler, fresher, denser air intake charge. Auxiliary air scoop — The sealed housing features an auxiliary air inlet scoop that allows for increased air volume into the intake for increased performance and improved throttle response. 5-1/2" Conical Air Filter - This intake utilizes a huge, 5-1/2" conical Pro 5R performance air filter for maximum flow. This 5-layer progressive, oiled cotton gauze air filter provides maximum flow for increased horsepower and torque. aFe has developed this intake to provide a hassle-free installation that utilizes all factory mounting locations. Dyno Tuned Intake Tube - The intake tube has been engineered and dyno tested for maximum air flow and velocity for increased performance. All emissions components and bracket locations are used for a hassle-free installation.

DETAILS:

With a heat resistant one-piece housing, an auxiliary air inlet, and aFe' performance-oriented Pro 5R air filter, this Magnum FORCE Stage-2 Si intake delivers as much cold air as possible to your Diesel' engine.

  • Unique filter-to-housing interface for easy installation (patent pending)
  • No cutting or drilling on factory parts for faster installation
  • Works with mass air flow or temperature sensor model trucks
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 13901998514

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Laura
Lowell, US
★★★★★ 3
Too big
Size: X-Large, Color: Black Blue Brown Heather Grey
Good cotton but too big
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Reviewed in the United States on October 4, 2025
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The Friendly Reviewer
Dallas, US
★★★★★ 5
cost vs value
Size: One Size, Color: Skyway
Is it worth the price? that's a question that only you can answer for yourself. I mean, it's alpaca - which isn't exactly cheap, and it's nice and warm. The shape is a little odd - it seems a bit loose - so might be better for bigger heads or bigger hair.
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Reviewed in the United States on February 20, 2026
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MissMissy
Omaha, US
★★★★★ 5
Cozy, Stylish, and Perfect for Cold Days
Size: One Size, Color: Merlot
This beanie is absolutely perfect! The alpaca material feels incredibly soft and plush without being itchy, and it keeps my head warm without overheating. The fit is just right — snug but not tight — and it looks great with both casual and dressier winter outfits. I also love the Merlot color; it’s rich, flattering, and adds a nice pop without being too bold. It feels well-made and holds its shape nicely after wearing. Love it!
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Reviewed in the United States on January 24, 2026
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Fabby
Lexington, US
★★★★★ 5
Fantastic texture
Size: One Size, Color: Skyway, Size: One Size, Color: Skyway
Finally, I had found a beanie that provides the warmth of wool, without itchy-ness. Love the texture! This beanie is awesome and exceeded my expectations; definitely the most comfortable winter hat I have ever had. It is well constructed, plush, and the fit is spot on. It fits snug, providing warmth, with out suffocating or leaving marks on my forehead. Additionally, the beanie is temperature adaptive while wicking away sweat when used functionally like during snow boarding. Moreover, it versatile and stylish enough for everyday use. Highly recommend
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Reviewed in the United States on January 26, 2026
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LMS
Massapequa, US
★★★★★ 5
Comfy and so cute.
Size: One Size, Color: Skyway, Size: One Size, Color: Skyway
This alpaca beanie is just plain cozy. Super soft, comfy, and surprisingly warm. It fits well (the one-size actually works), and it sits nicely without feeling tight or slipping around. I get compliments every time I wear it. Great for cold days, football games, or just when I want something cozy with a little personality.
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Reviewed in the United States on January 19, 2026

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