SKU: 15461463778

AEM Induction Cold Air Intake System (21-788C)

Sale price$143.10 Regular price$159.00
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

AEM Induction Cold Air Intake System (21-788C)The AEM 21 788C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicles restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Chevrolet Sonic models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air

The AEM 21-788C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicles restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Chevrolet Sonic models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower. The air intake tube is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engines factory emissions control devices including the mass air sensor. The tapered cylinder 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). The air intake system is easy to install with commonly available tools and it is backed by AEMs 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 21-788C vehicle applications to determine the legal status for each vehicle.

Features:

  • Delivers more oxygen to the combustion chamber by drawing in cooler air
  • Custom designed and engineered to deliver maximum power for each specific vehicle
  • Every system includes the innovative, oil-free, high-flow AEM Dryflow air filter
  • Dyno-tuned air intake pipe constructed of mandrel-bent 6061 aluminum for smooth airflow
  • Comes complete with all necessary mounting hardware and comprehensive installation instructions
  • Backed by the AEM limited lifetime warranty
  • Proudly manufactured in the USA
  • 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: 15461463778

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    4.9 ★★★★★
    Based on 13 reviews
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    S
    Verified Purchase
    Stephanie
    Fort Morgan, US
    ★★★★★ 5
    Sound deadening the Hot Rod
    Size: 20 sqft, Size: 20 sqft
    Works well, good value for the money. It’s very sticky and conforms to what you are applying it to. One 20 sq ft box did approximately the passenger side
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 3, 2026
    M
    Verified Purchase
    M. Del
    Massapequa, US
    ★★★★★ 5
    Good stuff
    Size: 50 sqft, Size: 50 sqft
    Good stuff. I did a lot of work on my 91 Toyota Land Cruiser 3FE. I did the inside and outside doors, as well as the under-hood area, with some extra work. I like this stuff. It sticks down good but you have to clean your surface so there's a good grip. I think these are going to do well for noise cancellation. The deadening material does well with absorbing vibrations too. But the install roller tools it will come in handy. Trust me trying to do it by hand is not worth it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 6, 2026
    C
    Verified Purchase
    Charlie J
    Phoenix, US
    ★★★★★ 4
    Good quality
    Size: 10 sqft
    I wish it was a little better but it definitely works great and look good for how cheap it is
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 23, 2026
    R
    Verified Purchase
    R. Selberg
    Charlottesville, US
    ★★★★★ 5
    Works well
    Size: 10 sqft
    Worked great at a budget price. I used it to damp a fiberglass loudspeaker horn. Easy to work with too.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 8, 2026
    D
    Verified Purchase
    Devan
    Pawtucket, US
    ★★★★★ 5
    Good material but bites back
    Size: 20 sqft
    Very good product for my rear trunk and backseat on my mustang. I would recommend some type of gloves due to the foil itself when placing down will cut up your hands and fingers. Overall good product for its price.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 23, 2026

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