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I have 33 years of Winterizing with muffs. The noise never bothered anyone. I change impellers at 100 hours, and each time I say it was premature since they were still pristine.

I have a 40 gallon plastic barrel that I installed a valve on the bottom to drain the water. I only use it for classic outboards that have no muff capability. Sure, it drains easy and no hassle. But after running them I end up with a barrel full of greasy water.

I am in fresh water, so saltaway is not needed.