Need to lower by 2 decibels ?????
03-04-2016, 03:55 PM
#1
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Need to lower by 2 decibels ?????
I Keep getting tickets i have mufflers but still to loud but barley. any way or tricks to cut another 2 decibels with out getting 4 new mufflers??????
03-04-2016, 04:04 PM
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Are you dry or wet ? What do have in use now for mufflers ? What diameter pipes/outlet ? What size engines + hp ? Do you have a picture of back of boat ?
03-04-2016, 04:10 PM
#3
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You could possibly install another muffler insert. It depends on what you have now.
http://marineexhaust.ggb.ca/
http://marineexhaust.ggb.ca/
03-04-2016, 04:37 PM
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i have a 30 ft eliminator daytona with twin merc 525. wet i think they are 4 inch not sure the brand of muffler boats in storage.
03-04-2016, 04:50 PM
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LOL ^^^^^^^^...............pretty soon the engines wont be able to breath
Last edited by F-2 Speedy; 03-04-2016 at 05:11 PM.
03-05-2016, 06:40 PM
#7
I use the GGB inserts (4" dia and 5.5" long, 'performance' model insert which means slightly larger internal ring diameter).....They dropped my exhaust noise by 6 dB at idle using but this was on a warmed over small block. I've found them to be non-restrictive compared to some other inserts I've used.
