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-   -   mufflers for 520 HP engines (https://www.offshoreonly.com/forums/general-boating-discussion/273878-mufflers-520-hp-engines.html)

BVinc 04-05-2012 10:05 PM

mufflers for 520 HP engines
 
getting several opinions of putting mufflers on twin 520 hp engines. 4" custom wet exhaust and want to settle down noise . Any suggestions...please

Steve 1 04-05-2012 10:10 PM

Sure, rotary mufflers.

BBB725 04-05-2012 10:27 PM

Drew Marine, Shotgun silencers

suntimes 04-06-2012 08:21 PM

I have these on my 525 and they work well. Engine sounds great but it doesn't bother those outside the boat.

http://www.hardin-marine.com/p-12619...-mufflers.aspx

502ss 04-06-2012 08:33 PM

CMI sound elimination mufflers

http://www.custommarine.com/accessories/Silencers.php

Here is a video of me running one of my 565hp engines on a stand with the mufflers!

No mufflers - http://www.youtube.com/watch?v=Xy-7U...e_gdata_player

Mufflers - http://www.youtube.com/watch?v=ZX0sV...e_gdata_player

Raylar 04-07-2012 10:26 AM

Everytime I recommend Aqua Power Ltd. mufflers to boaters, I always usually hear back that they had great results and no loss of power at all. Worth checking out.

Best Regards,
Ray @ Raylar


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