Quote:
Originally Posted by EssexPorsche
Guys,
I'm sure it sounds different, possibly better than stock. But i don't see that you are bypassing any chambers at all.
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That's essentially correct. However, you are allowing some of the exhaust gas to bypass all but chamber 3 and go directly out the exit. This is similar to the Porsche sport exhaust, except that the amount of flow through the drilled holes is restricted by the flow through the baffle in chamber 3.