Dash Board rattle

Originally Posted by B1nks Same exact thing here ! At about 2500-3000 under load mine will make a buzzing sound from what sounds like behind the RPM cluster. Started after

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Dash Board rattle

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12-22-2009, 10:18 PM

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earwicker7

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Quote:

Originally Posted by B1nks

Same exact thing here ! At about 2500-3000 under load mine will make a buzzing sound from what sounds like behind the RPM cluster. Started after I installed my FI exhaust. Not blaming FI..just wierd.

No, of course it isn't FI's fault. Knowing a bit about speakers, I've picked up a feel for resonance issues, and given that I'm not the only one experiencing this exact problem, I'm thinking one of two things...

A. The sonic frequency which the exhaust puts out between 2500 to 3000 RPM is exciting a resonance mode in some part of the dashboard, causing it to vibrate like mad and bang up against something next to it.

B. The same as A, except it is causing a resonance mode in some loose part in the same area.

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