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 Upgrading mufflers 
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Joined: Thu Jun 09, 2016 8:55 pm
Posts: 38
Post Upgrading mufflers
What is the best kind of mufflers to run on twin 18 hp vanguard longtails that will give me more speed without breaking the bank

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16ft by 56 custom weldbuilt with twin 18hp godevil longtails


Mon Sep 19, 2016 8:45 pm
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Joined: Fri Jan 10, 2014 1:16 pm
Posts: 2107
Location: Gladewater TX
Post Re: Upgrading mufflers
They like real 2 to 1 headers. Small tubes. usally custom built


Mon Sep 19, 2016 8:50 pm
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Joined: Fri Jan 10, 2014 1:16 pm
Posts: 2107
Location: Gladewater TX
Post Re: Upgrading mufflers
Just saw your other post in speed talk. Your motors must be sitting on the governors to have mph that consistent. Get a tach :D


Mon Sep 19, 2016 9:02 pm
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Joined: Sun Jun 16, 2013 4:43 pm
Posts: 1381
Location: Avoyelles Parish/ Marksville LA
Post Re: Upgrading mufflers
Custom homemade or gut the stocker. Mac is the only one who makes one for the 18 and its $475


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Mon Sep 19, 2016 9:41 pm
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Joined: Wed Sep 28, 2016 6:27 am
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Post Re: Upgrading mufflers
I have the same motor and always wondered the same thing. What all do you have to do Bernie to gut a stock muffler?


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Mon Oct 03, 2016 7:06 pm
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Post Re: Upgrading mufflers

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Refurbishing a Prodrive


Mon Oct 03, 2016 8:20 pm
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Post Upgrading mufflers


Tue Oct 04, 2016 4:52 pm
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Joined: Fri Dec 18, 2009 8:10 pm
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Post Re: Upgrading mufflers


Tue Oct 04, 2016 4:58 pm
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Joined: Mon Sep 19, 2011 6:32 pm
Posts: 1490
Location: south Florida
Post Re: Upgrading mufflers
Wanted a vroom/vroom stainless one for my Kohler 25 for a long time but dang expensive, bought a shotgun instead. The one will frighten the ducks out of the marsh, the other will bark occasionally but certainly kill more effectively. At least the stock ones have lasted a long while, of course I don't run salt/brackish water. On a longtail these better flow mufflers have a very limited return...

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Wed Oct 05, 2016 6:45 am
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