Ford Mustang Forum - View Single Post - Which Part Number Airaid intake is best
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post #8 of (permalink) Old 01-06-2014
SHELBY GT 350 Member
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Joined: Jan 2011
Location: Central Massachusetts
Posts: 9,165
I'm guessing the -172 version is the "no tune required" and has the same MAF diameter as stock ; so the other one with the bigger MAF and tube would be the way to go. Also it is illegal in California, so that is a clue that it is more performance oriented. (this might simply be because it has an open box design, I think California requires a closed box so any burps from the intake are captured)

A phone call to Airaid is probabably the best way to get a clear answer.

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