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ducatipaso.org :: View topic - Muffler construction?
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Muffler construction?
http://www.ducatipaso.org/forum/viewtopic.php?f=3&t=2207
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Author:  Tamburinifan [ Tue Dec 25, 2007 1:35 pm ]
Post subject:  Muffler construction?

How do the original cans look on the inside?

Like this:



Or like this:



Or another way?

Author:  ducbertus [ Tue Dec 25, 2007 4:40 pm ]
Post subject:  Re: Muffler construction?

I'm not sure, but what is your goal.
more sound, more power or both.
Personally I would go for an additional set of mufflers.
one for fun (open, absorption-type) and one to meet the regulations (preferred orginals)

Ducbertus

Author:  Tamburinifan [ Sun Dec 30, 2007 12:28 am ]
Post subject:  Re: Muffler construction?

Bump, noone? :huh:

My goal w this is more sound & a little better breathing,
just checking all exhaust options.

Author:  ducbertus [ Sun Dec 30, 2007 8:40 am ]
Post subject:  Re: Muffler construction?

I've build several mufflers by myself in the past. these were absorbsion type mufflers.
Stainless steel perforated innertube, aluminium endcaps and carbon outertube.
The lenght of the mufflers is app. 450 mm and Ø 90, weight 1,25 kg.

A few guys have been racing these "mufflers" in the Dutch national Supermono cup.
normally the mufflers produced a nice dark sound at 102 dB.
As the noise limit was reduced below 98 dB I stopped.

General, if you want power and sound, go for absorbtion type mufflers.

Ducbertus

Author:  paso750 [ Sun Dec 30, 2007 10:55 am ]
Post subject:  Re: Muffler construction?

some general info worthwile to read once:
http://www.box.net/public/4rd2q3kljs

G.

Author:  jcslocum [ Mon Dec 31, 2007 8:36 pm ]
Post subject:  Re: Muffler construction?

Some additinal info:

http://www.ducatisuite.com/superbikemufflers.html

Author:  Tamburinifan [ Wed Jan 02, 2008 2:32 pm ]
Post subject:  Re: Muffler construction?

Good info, thx.

But,
are the 907 cans like drawing 1 or what?
They seem a little different, the alu tube is not a complete tube.

Author:  Tamburinifan [ Wed Jan 09, 2008 4:20 pm ]
Post subject:  Re: Muffler construction?

The black, shiny coating on the mufflers, what is it?
Black chrome or some kind of heat paint?

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