Quote:
Originally Posted by windtendo
When the valves are closed, the exhaust gas is directed through the smaller diameter tubing— of course it is. However, this short amount of slightly smaller diameter piping (where the exhaust gas is redirected thru) will make zero difference. It will be imperceptible in this case.
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Appreciate the input, Win. It is quite evident in person, as well as the videos that there is a tone change when the valve state changes. To hear what I'm referring to, please scrub through to the 2:15 mark of the product video in the OP where you can clearly here the differences between valve states.