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
mylundboat wrote:
It looks like you brazed the elbows to the resonator, then used clamps for the stock pieces. It sounds better in the video. Your comment that the neighbor's moved? Was that before or after the modification? Thanks again for the photos they are a big help.
The elbow from the gen was mig welded to the inlet port of the resonator and I welded a 90 deg elbow to the other side. That was in September at Stowe that the neighbor moved and the mod was not done. The latest video's are from last weekend. I started the gen and recorded from the next site on both side and the result are quite surprising.
