Adapting 1 15/16" muffler connect to 1 5/8" exhaust hose 1988 Universal M25XP

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jlwoodard

Anybody have experience adapting 2" water muffler to 1 5/8" exhaust hose?  Putting new muffler on, same as old; however, the hose is not going to go back on and I am hoping to find a work around without having to replace the entire hose length.

Noah

What muffler did you buy with a 2" hose outlet? You may also have issues at the thru-hull end as well.
1990 hull #1014, San Diego, CA,  Fin Keel,
Standard Rig

jlwoodard

#2
A Vetus 50R, exact same that was on there.  Technically the hose connect are 1 15/16".

Noah

It would help if you listed your boat's specifics (year hull, engine, etc.) on your signature line to help folks better target responses to your questions.
1990 hull #1014, San Diego, CA,  Fin Keel,
Standard Rig

Stu Jackson

Stu Jackson, C34 IA Secretary, #224 1986, "Aquavite"  Cowichan Bay, BC  Maple Bay Marina  SR/FK, M25, Rocna 10 (22#) (NZ model)

"There is no problem so great that it can't be solved."

KWKloeber

Quote from: jlwoodard on July 30, 2022, 04:46:07 PM

Anybody have experience adapting 2" water muffler to 1 5/8" exhaust hose?




Yeah about a dozen times at last count.

I recommend a Centek Vernatube 2" x 1-5/8" reducer, which is what I had Bill use when "we" did his 2" muffler.  You can see here where he reduced it down under the sink:
https://c34.org/wiki/index.php?title=C34_Exhaust_with_Water_Cooled_Riser#Going_Forward:

It's a one-off size not a fitzall.
Twenty years from now you'll be more disappointed by the things you didn't do, than by the ones you did.
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