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Old 07-09-2016, 07:07 AM   #2
thstone
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Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
That is the same exhaust as the Top Speed and it is fairly common to get drone at 3K rpm.

Do a search on "Top Speed exhaust drone" (and/or similar terms) and you can read what others have done to fix it. I am sure that a lot of folks will jump in on this thread shortly...
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Last edited by thstone; 07-09-2016 at 07:11 AM.
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