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The stock Miata airbox is restrictive by its design to allow use of an inexpensive and flat paper filter. The AEM intake achieves better breathing by using a much higher flowing velocity stack conical filter placed directly in the flow of cool air in the "mouth" of the Miata.
Not only will this intake give your MX5 Miata much freer breathing and quicker acceleration, but also provide a nice deep growl at high revs. This is the same intake that MAZDA sells for all MX5s in the new Pro Spec racing series. This intake is CARB APPROVED!
More information and installation pictures in our forum. Updated version for easier install on NC2, can be installed on NC1 just as easy.