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Old 07-13-2009, 10:14 PM   #5
marc70chevy
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Join Date: Jun 2009
Location: League City, Texas
Posts: 82
Re: Air intake pipe/hose replacment on 00 5.3

some might have mass airflow sensors, but they are expensive because it is a support mod. The mod itself doesn't add much power, but if you don't get it then everything else you would do to add power won't because of the restrictive airflow. So it is a necessity for high power engines and the companys know that..
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