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Old 03-13-2007, 12:17 PM   #56
Just me
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Joined: Sep 2001
Location: Santa Cruz, Calif
Oddometer: 12,176
Originally Posted by Gordy
OK, here is my attempt:

All this did was to move the roar from around 75-80 MPH down to the 65-70 MPH range. I may try opening the holes more. .
Gordy, I know this is a bit late, but just holes may not equalize the air pressure. I have seen others use a NACA duct style pattern cut to help the air flow. Ricky did that a few years ago and posted about it.

Here is a stock photo of an after market NACA duct. I have seen tiny ones around someplace.

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