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best mufflers to pass 90 db

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Old 05-08-2007, 05:46 PM
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Default best mufflers to pass 90 db

Anyone know for sure of a muffler that will pass
the standard 90db 3ft of the transom test? I
have stock 496 Ho's. Please...dont say CMI. They
don't pass. We have Boats on our lake running them
and all have failed the patrols test and my tests with
my own DB meter. They run anywhere between 91
and 92 Db with stock 500's and 525's
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Old 05-08-2007, 07:28 PM
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I'll gladly send you a set of Gibson Bullets for testing.

Fred
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Old 05-08-2007, 07:54 PM
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Quote:
Originally Posted by epeek View Post
Anyone know for sure of a muffler that will pass
the standard 90db 3ft of the transom test? I
have stock 496 Ho's. Please...dont say CMI. They
don't pass. We have Boats on our lake running them
and all have failed the patrols test and my tests with
my own DB meter. They run anywhere between 91
and 92 Db with stock 500's and 525's
...


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Old 05-08-2007, 08:00 PM
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I have heard good things about HPI. Don't have any first hand knowledge if it meet the 90db test, but maybe someone else here does.

http://www.hpisilencers.com/
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Old 05-08-2007, 08:01 PM
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Get some Donkey D!cks from Trick Marine... They are in the water when not on plane and they pass.

...
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Old 05-08-2007, 09:53 PM
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Quote:
Originally Posted by Too Old View Post
I'll gladly send you a set of Gibson Bullets for testing.

Fred
Fred!! I've been trying to get ahold of you!
I will gladly accept. Call me at 518-421-9672.
If I don't hear from you I'll call sometime tommorow.
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Old 05-08-2007, 09:54 PM
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Quote:
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Get some Donkey D!cks from Trick Marine... They are in the water when not on plane and they pass.

...
Hey!!!....who took a dump on my shirt in pic #3
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Old 05-08-2007, 10:33 PM
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Our hpi's work well on our 525's.
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Old 05-08-2007, 10:39 PM
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Our hpi's work well on our 525's.
Have you had them sound tested?
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Old 05-08-2007, 10:42 PM
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Quote:
Originally Posted by epeek View Post
Fred!! I've been trying to get ahold of you!
I will gladly accept. Call me at 518-421-9672.
If I don't hear from you I'll call sometime tommorow.
I'll call you tomorrow afternoon. I'll be out of the shop tomorrow until about 3pm.

When I call, we'll make arraingments to get you what you need for a test.

Fred
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