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Part:   21-809C

AEM 21-809C 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 21-809C fits some Mazda 2 models. See vehicle applications for details.
The 21-809C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle’s restrictive factory air filter and air intake housing. It is designed, tuned and dyno-tested to fit specific Mazda 2 models with 1.5L 4-cylinder engine. Being a true cold air intake system, the air filter is relocated outside of the hot engine bay so the intake air temperature (IAT) is close to ambient. Air enters the system through an oversized AEM Dryflow synthetic washable oval air filter for outstanding air flow, filtration and performance. The intake tubing 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 crank case breather hose. 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 AEM-21-809C vehicle applications to determine the legal status for each vehicle.

[More Information on AEM Cold Air Intake Systems]
Specifications AEM 21-809C Product Specifications
Estimated Horsepower Gain5 HP @ 4000 RPM
Replacement Filter21-2127DK
Air Filter ColorRed
Air Filter MaterialNon-woven Synthetic
Air Filter Outlet ShapeRound
Clamps Included2
Clamp MaterialStainless Steel
Clamp StyleRegular
Couplers Included1
Product StyleAEM Cold Air Intake System
Intake Pipe Color / FinishGunmetal Gray
Intake Pipe MaterialAluminum
Street Legal In All US States No
TUV Approved (Europe)No
Weight12 lb (5.4 kg)
Product Box Height11.63 in (295 mm)
Product Box Length24.38 in (619 mm)
Product Box Width12.25 in (311 mm)
California RestrictedNot legal for sale or use in California
Mounting Hardware IncludedYes

Horsepower gains based on similar vehicle dynamometer test. Results will vary.
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov
Reviews Product Reviews

Richard Andresen from Moreno Valey, California
May 4, 2017 - Part 21-809C
Very simple install. I could immediately hear and feel the power, especially in the higher end RPMs when there is a noticeable stronger pull. The intake, at times sounds like an exhaust, which is a plus. I think it is well worth the investment, especially for things like autocross, or even just the extra horsepower.