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Old 04-20-2018, 02:22 PM   #146 (permalink)
TBatt
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Quote:
Originally Posted by brucelidat View Post
Would this make much difference if I already have 18" resonators?
That is what my system has too, 18 inch resonators in the H pipe section. What these resonators do that is very different than a pass through type resonator. A Helmholtz resonator is tuned (by length) to cancel out certain frequencies and in this case the 130-160Hz (2000-2800 rpm) drone. Works pretty well.
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