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Quote (Chicken Magnet @ Oct. 19 2002,10:30)</td></tr><tr><td id="QUOTE">Theoretically, an intake would give you better gas mileage as your engine is running more efficiently due to more air entering the engine. The reason that most people don't think it does, is they like to REV their engine so much to hear the sound of their intake! <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/biggrin.gif" border="0" valign="absmiddle" alt='

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Hmm, i don't think it's really the case. I don't think that any of the better flow argument applies to the mpg. The point being that your ecu resieves data on how much was flowing through and what temperature it had. The intake improves the amount that flows through. When the ecu recieves data saying that more air is coming through, it dumps more gas. That also makes the engine smoother. Now when u put the cold air on, you lower the temperature, and again the ecu is dumping more fuel in. So the only way i see it improving the mpg is when u are cruising.... but it's reall questionable... my stats on when i had the intake were something like this:
Stock - 23.5mpg
Injen + CAI - 22.5mpg
Injen + CAI + Tornado - 21mpg