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Cold Air Intake System

Cold Air Intake System

Best price now

$53.66at The Home DepotChecked 1 h ago

89% under what the other stores charge

Compared across 13 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $53.66 at The Home Depot (checked Nov 12, 2026).
  • Checked at 13 stores.

Our take on the Cold Air Intake System

The Banks Ram-Air is a cold air intake system for the 2020-2023 GM Duramax 6.6L L5P diesel. Its standout part is the patented Air Mass Control Module, an electronic device that lets Banks fit a much larger intake tube than stock without tripping the tighter airflow limits GM set on this engine. The kit pairs an enclosed airbox with a large oiled filter, a bellowed silicone coupler and a side inlet that draws from the wheel well. It suits diesel owners who want more airflow, sharper turbo response and a louder induction note, and it is one of the few L5P intakes engineered around the factory tuning limits rather than just bolted on.

Best for2020-2023 Duramax L5P ownersTowing and heavy-load diesel useBuyers who want a louder turbo and induction noteOwners adding intake before other bolt-on mods
Pros
  • Air Mass Control Module works within the L5P's tight airflow limits
  • Large free-flowing intake tube and filter for high airflow
  • Enclosed airbox resists engine-bay heat
  • Connects to the factory hood and ram-air scoops
  • Bellowed silicone coupler handles engine movement
  • Oiled filter is cleanable and reusable
Cons
  • Oiled filter needs periodic cleaning and re-oiling
  • Fits only the 2020-2023 6.6L L5P Duramax
  • Louder induction note may not suit everyone
  • Electronic module adds install complexity over a plain tube-and-filter kit

Cold Air Intake System prices at every store

  • The Home DepotNew

    In stock

    $53.66Free shippingChecked 1 h ago
    Visit The Home Depot
  • AccesspeedNew

    In stock

    $495.00Free shippingChecked 1 h ago
    Visit Accesspeed
  • Diesel Power ProductsNew

    In stock

    $495.00Free shippingChecked 1 h ago
    Visit Diesel Power Products
  • Banks PowerNew

    In stock

    $495.00+ $20.00 shippingChecked 1 h ago
    Visit Banks Power
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $317.97Free shippingChecked 1 h ago
    Visit Amazon
  • AmericanTrucks.comNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit AmericanTrucks.com
  • Powerhouse DieselNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit Powerhouse Diesel
  • Thoroughbred DieselNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit Thoroughbred Diesel
  • JEGS High PerformanceNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit JEGS High Performance
  • Dirty Diesel CustomsNew

    Availability unknownShips from Canada · duties may apply

    $495.00Checked 1 h ago
    Visit Dirty Diesel Customs
  • Summit RacingNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit Summit Racing
  • Dave’s Auto CenterNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit Dave’s Auto Center
  • DmaxstoreNew

    Availability unknown

    $495.00Checked 1 h ago
    Visit Dmaxstore

Also available at

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Cold Air Intake System price history

Lowest price we've seen: $53.66 on Nov 13 at The Home Depot. Tracked across 13 stores since Nov 13.

About the Cold Air Intake System

The Banks Ram-Air Cold Air Intake System is built for the 2020-2023 Duramax L5P platform with the 6.6L engine. It includes the patented Banks Air Mass Control Module, an electronic device that lets the intake use the Banks SuperTube, an intake tube larger than stock. The system is designed to add power, sharpen turbo response and improve fuel economy.

The enclosed, oversized two-piece XLPE airbox keeps hot engine air away from the filter and increases the volume of cool air around it. It connects to the OEM hood and forward ram air scoops. An extra side inlet opens to the wheel well for fresh air and a stronger induction note. A unique EPDM elbow with bellows allows for engine movement while tapering down to increase air density.

The system is designed to run without a check engine light.

Brand
Banks
Part number
42266
Fits
2020-2023 Duramax L5P, 6.6L engine
Filter
Oiled, oversized air filter element
Airbox
Enclosed two-piece XLPE airbox with side inlet to wheel well
Coupler
EPDM elbow with bellows for engine movement
Key component
Patented Banks Air Mass Control Module
Intake tube
Banks SuperTube, larger than stock
Warranty
5-year limited warranty
Patent
US Patent No. 11,193,441

Questions and answers

Does it fit my truck?
It is built for the 2020-2023 GM Duramax 6.6L L5P diesel. It is not made for earlier Duramax generations or gas engines.
What does the Air Mass Control Module do?
It is an electronic device that lets the intake run a larger tube while staying inside the airflow range the L5P's computer expects. Without it, a big tube can trigger codes and poor running.
Will it add power?
Banks claims more mass airflow, better pressure retention and sharper turbo response. Real gains on a stock L5P are modest; the intake helps most alongside other airflow mods or a tune.
How does it compare with other L5P intakes?
Most rivals are tube-and-filter kits without electronics. The Banks kit's module and enclosed airbox are what set it apart on this platform.
Do I have to oil the filter?
Yes. It is an oiled filter, so it needs cleaning and re-oiling at intervals. Over-oiling can foul the mass airflow sensor, so follow the instructions.
What is in the box?
The intake tube, airbox, oiled filter, silicone coupler, Air Mass Control Module and mounting hardware.
Where is the Cold Air Intake System cheapest?
At The Home Depot, for $53.66, 89% under what the other stores charge, as of our latest check.
Where can I buy the Cold Air Intake System?
14 stores we checked sell it, including The Home Depot, Amazon, Accesspeed, Banks Power, Diesel Power Products.

Stores we've priced the Cold Air Intake System at

  • Home Depot deals and prices

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