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...
Forum Discussion
kerry4951 wrote:
I've been using the Onan resonator for 4 years. You will get even better improvement if you mount the genny brackets onto rubber bushings and also insulate the walls of the compartment with B liner sound deadening material. Alot of the noise you get from an Onan is vibration thru the genny mounting points and the compartment walls.
Thanks Kerry4951, I will put those mods on my list for the next season.
