Are the expansion pipes gonna do the same thing?

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jtgolden

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May 31, 2011
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I dont really want to spend the 90$ after shipping on the sick bike parts expansion pipe. Are the other pipes going to give the same results if I jet to them?
 

Pilotgeek

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Apr 6, 2011
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Green Bay, WI
I'd say just make sure you have a pipe that's tuned right for your engine displacement. Also, the length of pipe between the chamber and exhaust will affect the powerband. As long as you get a pipe that meets the desired criteria, it doesn't matter what brand. Also, like you said, tune the jetting to the pipe to get the most out of it.
 

decoherence

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Aug 23, 2010
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sebring,fl
from everything i read & understand, the displacement doesn't determine the expansion chamber as much as where the the power band is wanted.
also how wide you want the power band.

in fact i just pulled up my expansion chamber design program.
there isn't a spot to put in cc's.
 

Pilotgeek

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Apr 6, 2011
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Green Bay, WI
CC's may not directly be part of the calculation, but other factors which are a derivative of the displacement will have an effect on the expansion chamber's working.