Cummins Onan generator exhaust modification
Just installed a cummins generator muffler to quiet it down a little bit and I was quite surprised with the result. From 78 dB to 76 dB. (IPhone app). The following video was recorded with my iPhone s...
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Anything is better than nothing. :)
Btw, all that I've read says the majority of the noise is mechanical for our propane Onans. So, you can insulate the compartment to help, and I found switching to a good synthetic helps. It only takes about 1 quart, so it's an easy change.
Btw, all that I've read says the majority of the noise is mechanical for our propane Onans. So, you can insulate the compartment to help, and I found switching to a good synthetic helps. It only takes about 1 quart, so it's an easy change.
