Re: what did you do to your motor bike today?
Originally Posted by frozenveinz
Also the exhaust note is awesome. The longer the can is sticking out from pipe the deeper it sounds(no clue why, someone educate me).
One word, resonance.
The sound gets deeper for the same reason that a trombone's sound gets lower when the tuning slide is slid out. Longer tube = lower note.
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