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AEM 21-854C Cold Air Intake System

Product Grade
Performance Part
Fit Type
Vehicle Specific Fit

Vehicle Fitment

Compatible with the 2018-2022 Honda Accord equipped with the 1.5L turbocharged L15B7 (or equivalent) 4-cylinder engine.
Check for fitment details and regional legality before purchase

  • increased horsepower
  • heat shield with edge trim lining
  • low restriction aluminum tubing
  • air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • washable and reusable oil-free filter media
  • Fit type: Vehicle Specific Fit

Why This Intake Works for the Accord 1.5T

  • Factory intake restricts airflow under boost; the 21-854C replaces it with mandrel-bent aluminum tubing and a washable Dryflow synthetic filter to boost airflow.

  • Dyno‐tested approximate gain of +8 HP at ~6000 RPM on appropriate application.

  • Heat shield included to reduce intake air temperature, improving performance under load.

  • Filter media rated for up to ~100,000 miles between cleaning (depending on conditions) thanks to the oil-free synthetic design.

Original price was: $399.99.Current price is: $327.99.

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SKU: B07MXN3916t

Performance Benefits

  • Quicker throttle response under boost — the engine is breathing better, so you feel it.

  • Better mid-range and top-end behavior as airflow improves.

  • More pronounced induction sound (desirable in a performance build).

  • Reusable filter reduces long-term consumable costs.

 

This Performance Air Intake System allows your engine to breath more air compared to the restrictive factory air intake housing. It is designed, tuned, and dyno-tested to produce more horsepower and torque. The cone-shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). A custom shaped heat shield with edge trim lining is included to keep engine bay heat from the air intake.

 

Installation Notes & Considerations

  • Designed as a direct fit for the specified years and engine; verify engine code before ordering.

  • Install is common hand tools—but aftermarket parts still merit proper torque and clearance checks.

  • After install, inspect filter clearance, hose routing, and ensure no interference with engine bay components.

  • Confirm legality for your state—some applications may have restrictions or require specific emissions compliance.

 

The air intake tube is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system is backed by AEM’s Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the vehicle applications to determine the legal status for each vehicle.

What’s in the box

  • Air Filter^Intake Tube^Heat Shield^Hump Hose^Edge Trim^License Plate Frame^Parts Kit^Literature Packet

Final Verdict

For anyone driving a 2018-2022 Honda Accord 1.5T, the AEM 21-854C Cold Air Intake is a smart bolt-on upgrade. It delivers measurable gains, better airflow, improved response, and a solid build quality. In short, it enhances the engine’s performance in a clean, effective way without going overboard.


From the manufacturer

About AEM Performance Electronics

WHO WE ARE AND WHAT WE BELIEVE

We create innovative new products that set the standard in the performance aftermarket, delivering high level of product integrity and making advanced technologies accessible to the racing masses.

We believe that a positive customer experience is the key to our success. We achieve this success by delivering products that produce an exceedingly high level of gratification.

We have a deep appreciation for every racer, enthusiast, and distribution partner who chooses to trust our products.

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Specification: AEM 21-854C Cold Air Intake System

Brand

OEM Part Number

Global Trade Identification Number

‎00024844368928

Shape

UPC

Model

Item Weight

Product Dimensions

Item model number

Manufacturer Part Number

ASIN ‏

Date First Available

Manufacturer

Dimensions
Weight 4.127687 kg
Dimensions 51.435 × 31.115 × 31.115 cm

8 reviews for AEM 21-854C Cold Air Intake System

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  1. abelardo zavaleta


    Awesome product. Have the the 2019 Accord sport 1.5 and this air intake really helps with torque and mpg. Really like the noise that it makes when accelerating. Highly recommend it and it’s easy to install.

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  2. Tony Abeyta


    Sounds great and looks awesome, I’m happy with the product.

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  3. Danny


    Installed with a little help from YouTube. Makes the 1.5 sound a little throatier and the turbo blow off sounds awesome. Definitely worth it!

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  4. Elwin


    I like the brand AEM.They make great products with good end results.

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  5. Cesar Machado


    Mejoró la aceleración ,el rendimiento de la gasolina y suena perfecto

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  6. Moot Zigga


    Got for sound upgrade and does exactly that, gives an excellent woosh when letting off gas. Excited to see it pair with exhaust upgrade

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  7. Edgard


    Perfect fit and easy to install

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  8. Ana


    Easy install, getting it for all my cars & noticed a huge MPG increase! + sounds amazing with the turbo

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    (8 customer reviews)
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