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Old 27-06-2019, 17:48   #1
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Honda exhaust extension.....

Hello all,
So yes I have and use one of those feared Honda 2000i while on extended trips while I sort and prep for solar. Recently I bought an extension for my exhaust and have read where people submerge the end to reduce noise. Does this back pressure affect the generator? Not talking 30 feet Down. Exhaust extension is a silicone hose so rusting is not an issue.

Thanks
Greg
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Old 27-06-2019, 18:50   #2
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Re: Honda exhaust extension.....

How are you going to attach it? Weld on a fitting?
Yes of course it will increase back pressure, even if you donít put it in the water it will. This will cause it to run hotter at least.
Ever notice your outboard has two exhausts? One above water that is used at low RPM and the one thru the prop hub.
Maybe that is to keep from pulling water up to the engine when the exhaust cools I donít know.
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Old 27-06-2019, 19:56   #3
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Re: Honda exhaust extension.....

The fitting gets welded on.......
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Old 27-06-2019, 20:16   #4
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Honda exhaust extension.....

Let us know how it works I guess, Iím assuming it must be some kind of kit you purchased, hopefully it was tried out before hand.
If you put it in the water, Iíd take it out just before turning it off though to keep it from maybe sucking up the water.

This says silicone hose upper operating temp is 500F. Exhaust temps go well beyond that.
https://www.industrialspec.com/shop/...spec_sheet.PDF
Lets us know how well it works
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