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AEM Cold Air Intake System Part #21-499C Customer Reviews
4 Customer Reviews
Reviewed by Jeffrey B (HOUSTON, TX) Reviewed for a 2007 Nissan Altima — Aug 16, 2013 8:53 AM
Installation was really easy, took a little over an hour for my brother and I to do it, and we are far from experts. The throttle response does seem to be a bit better. The car seems a bit peppier. I have not noticed any fuel efficiency gains at all. There is a noticeable change in sound. I wasn't really looking for that, though I figured it would be that way. Of course it's louder when you floor it, but it's also noticeably louder from a stop with "normal" acceleration. Up to about 2000 RPM.
Reviewed by John B (Lewiston, ID) Reviewed for a 2008 Nissan Altima — Sep 22, 2012 10:41 PM
Just had it installed yesterday at the local Nissan dealer. I do feel that there is more power. Throttle response is instant. I drove about fifty miles just checking it out. I'll have to go through another tank of gas before seeing if the mileage improved. Over all I'm happy with it.
Reviewed by Manuel V (San Diego, CA) Reviewed for a 2007 Nissan Altima — Mar 09, 2010 10:16 PM
Reviewed by Edward P (Fort Polk, LA) Reviewed for a 2007 Nissan Altima — Aug 18, 2008 9:53 AM