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Baffled - How to repack an Emgo Shorty Muffler (Read 366 times)

verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #15 - 08/16/11 at 20:02:26 rather than wrapping it with wire, use expanded sheet metal. you need to fully support it.
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Gyrobob Serious Thumper Offline Posers ain't motorcyclists Posts: 2571 Newnan, GA Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #16 - 08/16/11 at 20:07:14 verslagen1 wrote on 08/16/11 at 20:02:26: rather than wrapping it with wire, use expanded sheet metal. you need to fully support it. There needs to be a lot more stuffing as well,... stuffing that won't burn up and disintegrate.
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #17 - 08/16/11 at 20:07:26 And it doesn't need to have full coverage. some holes is fine. the purpose of the fiberglass is create an infinite number of passages for the gas to expand into, thereby deadening the sound.
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Gyrobob

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Re: Baffled - How to repack an Emgo Shorty Muffler
Reply #18 - 08/16/11 at 20:09:40

verslagen1 wrote on 08/16/11 at 20:07:26:

And it doesn't need to have full coverage. some holes is fine.
the purpose of the fiberglass is create an infinite number of passages for the gas to expand into, thereby deadening the sound.

I agree. The first couple of inches of the holes should be uncovered to let the noise pulse into the chamber with the stuffing.

If you think there's good in everyone, you haven't met everyone.

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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #19 - 08/16/11 at 20:15:00 Gyrobob wrote on 08/16/11 at 20:07:14: There needs to be a lot more stuffing as well,... stuffing that won't burn up and disintegrater. perlite
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mmosel

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Re: Baffled - How to repack an Emgo Shorty Muffler
Reply #20 - 08/17/11 at 01:02:47

Perlite lol. In theory, if it could be contained, and if it wouldn't melt, it might actually work.

Anyway, after my 75 mile ride on Sunday, I noticed that the chrome on my muffler is already turning blue in one spot - near where it attaches to the segway pipe. There is no 'thickness' there really, so I'm not surprised. Looks like I might be painting it sooner than later.

Another day in the life of a muffler experiment...

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Gyrobob Serious Thumper Offline Posers ain't motorcyclists Posts: 2571 Newnan, GA Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #21 - 08/17/11 at 07:33:20 How about this stuff? http://cgi.ebay.com/Stainless-Steel-434-Wool-Roll-1-lb-Reel-Coarse-/310322027...
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #22 - 08/17/11 at 08:16:58 They said 434 won't rust, but I know that 400 series ss rusts so would treat that claim with suspicion. But other than that, looks interesting. give 'er a go.
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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #23 - 08/17/11 at 08:21:51 Fiberglass made for mufflers last a few thousand miles,You have to pack it tight so it doesn't slide down to the end.
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mmosel Senior Member 2005 No Login Offline My bike is officially THUMPING now. Posts: 415 NW Oregon Gender:	Re: Baffled - How to repack an Emgo Shorty Muffler Reply #24 - 08/20/11 at 01:16:08 That stainless steel looks like a decent buy for 1lb.
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mmosel

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Re: Baffled - How to repack an Emgo Shorty Muffler
Reply #25 - 08/20/11 at 01:48:13

I am still running an ugly u-bolt clamp and it sucks. I discovered my joint is leaking today. The clamp I ordered turned out to be too large. It said 1.75, but they didn't list the min clamping range, which turned out to be 1.82" or something. Other ads on Ebay gave better info.

So, some ads (from dif sellers) for a t-bolt clamp rated at 1.75" are actually different clamps. Pays to look for a min clamping range.

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