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Stock Intake vs a CAI

KPMoore

Member
Joined
May 15, 2003
Messages
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City, State
Vancouver, BC Canada
Year, Model & Trim Level
2001 Sport Track
Hi,

This question/comment is different than the other so I though I would start a separate thread for it.

I just installed a MAC CAI on my '02 Sport truck and I was curious about something. I am assuming the actual gains received from the MAC come from the fact that the Air filter is open and not enclosed in a box. The stock intake tube was approximately the same size as the MAC intake tube, therefore I believe that the gains are coming more from the air filter having access to more air.

I am not trying to nock the MAC CAI, just trying to understand the physics behind the performance improvements.

Kevin
 






Right, intake tubes are going to be relatively similar.

The gain comes from the open air filter, which increases airflow going through the tubing.
 






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