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post #1 of 5 Old 06-30-2014 Thread Starter
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Adding inline muffler to water lift system

Hello,

My Bristol has a classic water lift silencer, with wet exhaust. The problem is, I find it the exhaust note a little noisy. I do have cooling water flow, but still the location of the exhaust (on the forward sloping transom) and it's proximity to the helm station make it a little tiring when motoring for a while.

If you look at the Centek web site, they state that one of these

Centek Vernatone Round Wet Exhaust Muffler

can be added to water lift systems for extra sound reduction.

So the question is, has anyone tried this?

The other option would be to replace my 30 year old water lift muffler with a new Centek, in the hope that it would be more effective.

Bristol 31.1, San Francisco Bay

Last edited by MarkSF; 06-30-2014 at 01:07 PM.
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post #2 of 5 Old 06-30-2014
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Re: Adding inline muffler to water lift system

they work I've a friend that has one on his exhaust.

Me.. I'd love to have some sort of muffler on the air intake!

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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post #3 of 5 Old 06-30-2014
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Re: Adding inline muffler to water lift system

Can you relocate the exhaust thru hull from the flat part of the transom to underneath the edge of the transom to the bottom of the hull? That's where ours is and I find it not annoying at all. I just motored back 6 1/2 hours from the Delta, not an issue.

Stu Jackson, C34, 1986, M25 engine, Rocna 10 (22#)
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post #4 of 5 Old 06-30-2014 Thread Starter
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Re: Adding inline muffler to water lift system

Hi Stu,

Yes, that would deflect the sound away from the helmsman. Seems a common feature on newer boats. It's certainly an option but I was hoping to do something that takes less surgery....

Bristol 31.1, San Francisco Bay
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post #5 of 5 Old 07-07-2014
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Re: Adding inline muffler to water lift system

Inline rubber mufflers work on my Kybota gen set. Maybe you could put a 90 rubber elbow(automotive stuff) on the transom .Paint it pink so it looks like it belongs'.
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