1980 merc 175hp

sutor623

Rear Admiral
Joined
May 23, 2011
Messages
4,087
Re: 1980 merc 175hp

Hahaha, Just kidding. Are you worried about noise at WOT or at cruising speed?
 

smokeonthewater

Fleet Admiral
Joined
Dec 3, 2009
Messages
9,838
Re: 1980 merc 175hp

pretty close to nothing.... you could try a bit of sound proofing such as dynomat inside the cowl but the exhaust can't be muffled.

If you need substantially quieter, shell out some dough for a 4 stroke
 
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