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Old 12-11-2014, 09:21 PM   #77 (permalink)
adam728
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Join Date: May 2008
Location: Michigan
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Mazda3 - '08 Mazda 3 S
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Quote:
Originally Posted by Old Tele man View Post
...true, but headers designed for *economy* certainly are NOT operating with gasses at mach 0.5 either.
Nor are they flowing thru flexible tubes, an incompressable fluid, etc.

I really fail to see how to compare the two.
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