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was flipping through a mag yesterday and noticed a ad for a new hmf exhaust, swamp series it was called, has a few different options for exhaust snorkle height that looks to come with pipe. looks a bit different than the pentland/utility series currently out and ment for mud/water (no packing). anyone else see this yet?
http://www.hmfengineering.com/forums/showthread.php?t=2535
 

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I seen it in a magazine a month or so back. No packing makes me think it will either have tons of baffles (like stock) or be extremely loud! But it has a snorkle!
 

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I wonder how loud it will be? I would be very interested if its not too loud and offered a horse power increase.

Funny thing about mufflers, louder does not alway equal more power. I have seen many dyno tests on snowmobiles where loud after market cans lose horse power versus the stock quiet can. Quiet power can be done.
 

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<div class='quotetop'>QUOTE (flyinscootrpilot @ Apr 5 2007, 11:38 AM) <{POST_SNAPBACK}></div>
I seen it in a magazine a month or so back. No packing makes me think it will either have tons of baffles (like stock) or be extremely loud! but it has a snorkle![/b]
that appears to be the main difference between the swamp series and the ''iron man'' series which is for sport atvs,, this would i'm sure be an equivalent for the utility series machines it appears, time will tell for sure
 

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<div class='quotetop'>QUOTE (mnCataTac @ Apr 5 2007, 11:48 AM) <{POST_SNAPBACK}></div>
Funny thing about mufflers, louder does not alway equal more power. I have seen many dyno tests on snowmobiles where loud after market cans lose horse power versus the stock quiet can. Quiet power can be done.[/b]
:thumbsup:
 

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Says its only available for the 700 efi.....oh well..
 
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