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Part:   21-792C

AEM 21-792C Cold Air Intake

AEM Cold Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0
  • Increased horsepower
  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum tubing
  • Easy to install using commonly available tools
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • Washable and reusable oil-free filter media
  • AEM Lifetime Limited Warranty

The AEM 21-792C fits some Honda Civic models. See vehicle applications for details.
The AEM 21-792C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle’s restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Honda Civic 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 placed into 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 engine’s factory emissions control devices including the mass air flow sensor and engine vent line. 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 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 21-792C vehicle applications to determine the legal status for each vehicle.

[More Information on AEM Cold Air Intake Systems]
Specifications AEM 21-792C Product Specifications
Estimated Horsepower Gain7 HP @ 5500 RPM
Air Filter ColorRed
Air Filter MaterialNon-woven Synthetic
Air Filter Outlet ShapeRound
California RestrictedNot legal for sale or use in California
Clamp MaterialSteel
Clamp StyleRegular
Clamps Included5
Couplers Included1
Intake Pipe Color / FinishGunmetal Gray
Intake Pipe MaterialAluminum
Product Box Height12.25 in (311 mm)
Product Box Length20.25 in (514 mm)
Product Box Width12.25 in (311 mm)
Product StyleAEM Cold Air Intake System
Replacement Filter21-2027DK
Street Legal In All US States No
TUV Approved (Europe)No
Weight9.4 lb (4.3 kg)

Horsepower gains based on similar vehicle dynamometer test. Results will vary.
Reviews Product Reviews

Zakir Muradov from Baltimore, Maryland
January 31, 2017 - Part 21-792C
It sounds awesome.
Anthony Zammiello from Marcy, New Jersey
July 26, 2016 - Part 21-792C
I absolutely love the product! I primarily purchased the intake for the increased induction sound of the engine, and I have no regrets. I appreciate that the engine now makes an additional 7 horsepower, though I would be just as happy if it only added that deep growl that the engine now has. In addition, I really like that if I am not being aggressive with the throttle then the engine remains quiet. Once I open up the throttle, the sound reveals itself. I also must comment on the fit and finish, both of which are excellent. I cannot recommend this product strongly enough to anyone with a 2016 Civic 2.0 liter, especially if you are lucky enough to have the six speed manual, which I do. Excellent product AEM!