I have had a problem with muskrats thinking that the exhaust tubes are a perfect place to make a home in our 1980 43' DCFB exhaust tubes . After I discover them and their living arrangements I have been stuffing a fenders inside the tubes to act as stoppers which is a chore to do every time we run the boat. She isn't a dockqueen and gets run a few times a week during the summertime when she is in the water. Does anyone else have an issue like this? What's your solution?
Before I set about trying to make a permanently installed flapper for the exhaust tubes. I was wondering if anyone knows where to source them. Either a flapper or a set of grills.
I live in fear that they will decide to chew their way into the boat and cause extensive damage or sink it. They go in quickly after i shut down sometimes and once this past fall I invertanly trapped one on the wrong side of the fender and was lucky to hear it gnawing on the fender which I pulled out to see a 3 inch hole chewed in it.
I have shot a few of them that I have seen swimming around the area I slip at.
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Thread: Exhaust tube flappers or grills
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03-21-2023 10:19 AM #1Senior Member
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Exhaust tube flappers or grills
Admiral-- Marilyn
Captain--James
1980 43 DC Hull#526
Twin DD 671 TI
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03-21-2023 12:53 PM #2Registered Member
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- Jul 2016
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Re: Exhaust tube flappers or grills
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Re: Exhaust tube flappers or grills
I made my own "screens" out of a 2" chuck of 4" stainless pipe and some stainless bolts arranged around that pipe in a star pattern and tightened into the exhaust for a friction fit. The cost was minimal and
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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03-21-2023 08:39 PM #4Senior Member
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03-21-2023 08:50 PM #5Senior Member
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03-21-2023 09:11 PM #6
Re: Exhaust tube flappers or grills
I find the Hurley pieces a bit pricey, though they are pretty reasonable compared to insurance deductible. On my last boat I bought heavy SS mesh on eBay and cut it into rounds a bit oversized and jammed them into the exhaust outlets.
On my latest boat I'm going a different route, I ordered 2 of these:
https://drainageproducts.us/6-stainl...animal-guards/
I plan on test fitting them in a couple of weeks and will let you know how well they work.Warren
1973 Chris-Craft 47 Commander
1994 Sea Ray Laguna 16SC
(wannabe Hatteras owner)
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Re: Exhaust tube flappers or grills
The ones I made look almost exactly like the Hurley style at a fraction of the price. Use the photo of the Hurley guards as your guide.
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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03-22-2023 07:47 AM #8Registered Member
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- Sep 2016
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- 23
Re: Exhaust tube flappers or grills
The thread was "Strange debris in exhaust pipes"
Joshua1985 60C #379SCYLLAGalveston, Tx
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03-22-2023 07:53 AM #9Senior Member
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