muffler repacking - Victory Forums - Victory Motorcycle Forum
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post #1 of 33 (permalink) Old 07-27-2014, 07:12 PM Thread Starter
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Default muffler repacking

im making a pair of baffles and wondering what a good packing material would be to use ?
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post #2 of 33 (permalink) Old 07-28-2014, 07:42 AM
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Might want to use a rod or punch to dimple the holes so that they catch the flow some. this way the packing or bafflle material will actuall catch some sound.

Check summit Racing and see what they have to offer. I think there was a thread on D&D wrapping that offered some suggestions too.

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post #3 of 33 (permalink) Old 07-28-2014, 09:16 AM Thread Starter
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from the outside and dimple in? they have the leftover from drilling pointing inwards, the bit didnt drill nice and clean through. and thanks i will check that out


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post #4 of 33 (permalink) Old 07-28-2014, 11:53 AM
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You should try them first you might not need packing. If you do fiberglass insulation

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post #5 of 33 (permalink) Old 07-28-2014, 12:03 PM Thread Starter
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i would try first but they will be welded at both ends when im done. i though about making the baffles removeable, but that just gives me another reason to mess with them all the time! haha


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post #6 of 33 (permalink) Old 07-29-2014, 10:48 AM
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I went to a dirt bike shop and bought a muffler repacking kit. It had a piece of high density fiberglass mat that I cut in half and wrapped it around my home made baffles.

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post #7 of 33 (permalink) Old 07-31-2014, 09:41 AM Thread Starter
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ImageUploadedByMO Free1406817636.801494.jpg
got these done last night, heres my parts just before assembly
ImageUploadedByMO Free1406817686.319712.jpg
heres the bare baffles


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post #8 of 33 (permalink) Old 07-31-2014, 09:49 AM
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That's exactly how I did mine!

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post #9 of 33 (permalink) Old 07-31-2014, 09:53 AM
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The best packing material that will not breakdown is Stainless Steel Wool. And I mean STAINLESS... otherwise it will rust and rot your pipes.

The good muffler builders use this in their pipes that are not re-packable for this reason alone, it lasts!

Also a good way to dimple the holes is towards the exit of the pipe, meaning just dimple the leading edge of the hole downwards. and make sure you mark the direction of 'flow'.

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post #10 of 33 (permalink) Old 07-31-2014, 10:52 AM
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what makes you think you need packing. I have gutted plenty of stock mufflers and after market ones and none have packing. Back in the day there were a few that did but that was not many either.
Packing is for making the muffler really quiet. Packing isn't even use much in cars except for the ones that are trying to get a deep tone but never really do.
You have a ton of holes that should make the pipes quiet. Parable to many holes. Have you ever gone and looked at baffles for pipes.
I thought you had thrush glass pack mufflers what was wrong with them.
Keep in mind you will never get the same sound as a harley never.

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