Reply to "Seeking feedback regarding new mufflers and their effect on EXHAUST DRONE"

Dear Dick,

Interestingly enough Gerry Romack and the Great Lakes Panteras have done some actual work on the drone resonance problem and find that it is from a Helmholtz Effect or Phenomenon (?). I am attaching a link to their tech article. I am intrigued by it and the handful of people that I have surveyed by email with experience doing it report that it *does* notably reduce the resonance.

http://www.greatlakespantera.c...r%20Modification.pdf

Warmest regards, Chuck Engles

9/13/191:44 PM

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