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Help Quieting M800 Exhaust

Started by THansenite, August 28, 2013, 07:35:10 AM

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THansenite

I recently got a '04 Monster 800 and love it.  The stock exhaust was a bit too quiet for my liking so I decided to core the exhaust.  I installed a new 2" perforated baffle tube with fiberglass packing.  Now the bike is obnoxiously loud.  Does anyone have any suggestions on how I can quiet down the exhaust a little bit?  Drilling more/larger holes in the baffle?  Welding in large diameter washers? 

stopintime

Are the exit holes open?

If they are, you might find Db-killers to put in there with a securing bolt through the end pipe and into the inserts (which often come with a welded nut for this purpose)

I don't have a link for you, but they are out there. Google db killers ducati....
252,000 km/seventeen years - loving it

ducpainter

As Lars said...db killers.

You can make them if you can weld and can't find what you need.
"Once you accept that a child on the autistic spectrum experiences the world in
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    Ask a mother who gave birth to a stillborn.
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SpikeC

 What is the inner diameter of the pipe exit?
Spike Cornelius
  PDX
   2009 M1100S Assorted blingy odds and ends(now gone)
2008 Bimota DB5R  woo-Hoo!
   1965 T100SC

THansenite

Thanks guys!  I should be able to weld up some of those db killers fairly easily.  That will be my weekend project. 

Spike, the inner baffle pipe is 2" ID and the actual exhaust diameter is stock and probably around 1 1/2" or so.