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Part:   21-640P

AEM 21-640P 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
  • 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 21-640P fits some Mazda MX-5, and Mazda MX-5 Miata models. See vehicle applications for details.
The AEM 21-640P 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 Mazda MX-5 and MX-5 Miata 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 relocated to the inside of the front bumper on the driver’s side which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable chrome-like finish. This air intake system was developed to accommodate the engine’s factory emissions control devices including the mass air flow 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 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 21-640P vehicle applications to determine the legal status for each vehicle.

[More Information on AEM Cold Air Intake Systems]
Specifications AEM 21-640P Product Specifications
Air Filter ColorRed
Air Filter Height5.125 in (130 mm)
Air Filter Large End Diameter6 in (152 mm)
Air Filter MaterialNon-woven Synthetic
Air Filter Outlet ShapeRound
CARB EO NumberD-670-15
Clamp MaterialSteel
Clamp StyleRegular
Clamps Included3
Intake Pipe Color / FinishPolished
Intake Pipe MaterialAluminum
Product Box Height11.6 in (295 mm)
Product Box Length24.38 in (619 mm)
Product Box Width12.2 in (310 mm)
Product StyleAEM Cold Air Intake System
Replacement Filter21-203DK
Street Legal In All US StatesYes
TUV Approved (Europe)No
Weight7 lb (3.2 kg)
Reviews Product Reviews

Robert from Richmond Hill, Toronto
October 15, 2015 - Part 21-640P
This system is truly a cold air intake, taking air from in front of the radiator. Performance is greatly increased throughout the rpms, but is truly amazing when driving on the highway as the engine and car comes alive. Only thing is that to change and clean the filter requires one to take out the under rain guard of the front end. This is time consuming.