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Old Feb 10, 2011, 03:07 AM
Jam1e is offline
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Worcestershire, England
Joined Nov 2007
481 Posts
Originally Posted by earlwb View Post
Here you go, more than you might ever want to know:

Flat disk pipe this is the one that has a muffler in the rear section making them more quiet. It is basically a fixed length pipe with a muffler built into the rear end of it.

Twin cone pipe, designed to widen the power band RPM range.

Fixed length pipe this yeilds the most power from a engine, but can be very loud. It also has to be tuned as its power band can be very narrow, depending on the design.

Mini pipe fixed length not adjustable
Cheers Earl!
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