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#1
09-14-2004, 02:35 PM
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After muffler
Okay, you guys set me straight on my carb question, now I have one about the exhaust.
How much does an after-muffler quiet down a Rotax 503, and does it rob much/any power? Alan 
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#2
09-14-2004, 04:59 PM
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It too will likely require a change to the jetting, a small loss of power and to be honest not much of a reduction in noise. The noise makers on a Rotax in the intake and the prop.
__________________
...Ask me and I will tell you..if you don't want to know then don't ask.
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#3
09-14-2004, 10:09 PM
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The best quietener (is that a word?) as Ron said is the induction silencer as well asa prop suited to the application.
Aussie Paul. 
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