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Re: exhaust drone?
my bike exhaust was too loud for me (yeah, I know, too loud? huh?) so I modified it. there are 2 sections to the slip in now. the exhaust is directed to the outer part of the forward cell, then through the holes in the pipe back into the inner section of the rear cell. the rear cell is wrapped in silencer material. the forward section has a bell shaped collector at the most forward end. here is a pic or 2. it is quite a bit quieter with this set up but definately still has the roar effect of a big road bike. it may be a thought for you to try, even without the 2 cells, if you have time to fab something up. I remember supertrapp used to make a weld on or clamp on style end tube that had a stack of washer shaped baffles that could be added or subtracted to the tip for different sounds or backpressure as required to tune the exhaust for performance.
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