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Old 03-04-2008, 11:42 PM   #7 (permalink)
TomO
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Join Date: Nov 2007
Location: Mini Soda
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The VX - '92 Honda Civic VX
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Quote:
Originally Posted by reformed View Post
Is there a worthwhile gain in MPG to be had from one?
The header that I have really didn't affect mpg negatively, but I really couldn't see a positive affect either. It was done fo rthe simple fact of replacing the catalytic converter cheaply since i could get a "regular" cat converter cheaper.

Quote:
Originally Posted by reformed View Post
.. and is the header the same from the d15z1 to the rest of the d15's?
the header flange for all SOHC D series are the same from 1988-2000

Quote:
Originally Posted by reformed View Post
Also, what did you do for a warm air intake?
I am still trying to determine any gains between my "Whale Phallace"
intake and my OEM intake. There seems to be a very slight gain in mpg with my "Whale Phallace", but very minute.
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