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best mufflers to pass 90 db

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Old 05-08-2007, 10:46 PM
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Originally Posted by epeek View Post
Have you had them sound tested?
I personally havent yet. However, pm pm203, as he has the same setup and to my knowledge has not been bothered by the lake winni police.
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Old 05-08-2007, 11:01 PM
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is hpi still in business....

and whatever happened to GGB

Don
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Old 05-09-2007, 12:10 AM
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I'll be testing IMCO Gatlings on Merc 700's this Fri, 5 inch tips
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Old 05-09-2007, 05:19 AM
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Originally Posted by chromecat View Post
is hpi still in business....

and whatever happened to GGB

Don
HPIs are still in business. GGB went out and that is a shame. They made a great muffler. Dont go with ZOOMERS.
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Old 05-09-2007, 09:12 AM
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Originally Posted by fast fun 2 View Post
Dont go with ZOOMERS.
Why ??? ...i have a set ...and want to know what is the problem ??? ....thank`s in advance ...i don`t know if he past the db test ??? ... look here my set up ..... i love the sound
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Old 05-09-2007, 09:14 AM
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My HPIs were tested at 92 dbs with Merc 500s.
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Old 05-09-2007, 09:35 AM
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I installed a new set of transom mount GGB's - only ran them on the hose so far (will be splashing the boat this Sat. for the season), made a HUGE difference in sound reduction. And before you ask, it was the last new set out there , they are out of business.
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Old 05-09-2007, 09:39 AM
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Originally Posted by Bottomfeeder View Post
I'll be testing IMCO Gatlings on Merc 700's this Fri, 5 inch tips
We also have had great results with the IMCO Gattlings.....great sound at less than 89db.....and the inserts cannot be seen like the add on tips on the market.
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Old 05-11-2007, 11:17 PM
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Just got back from Havasu, Twin 700 Mercs, 5 inch tails with removable IMCO Gatlings,,,90db
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Old 05-12-2007, 06:04 AM
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bootfeeder,
What was the db reading without?

Rick
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