Groundpounder, thanks. While dry camping in the high desert I could hear the exhaust sound a half mile away! A call to Onan is likely to result in a typical don't do it response as it will void the warranty blah,blah blah. This begs the question " how much damage and how long will it take"?. I am thinking of removing the built in muffler not just adding another in line. Any thoughts?
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