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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Exhaust: Headers, Muffler, Gaskets, Supports » Archive through September 19, 2006 » Fixing and repacking race muffler on 98-S1W « Previous Next »

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Harold
Posted on Sunday, November 17, 2002 - 04:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My race muffler has broken the weld on the front, where the pipe goes into the muffler, so the pipe and muffler are 2 separate pieces. It also has broken the internal pipe about 2/3's of the way to the end, unless they come that way. The rear turnout is still attached, but I have no packing left at all now.
I wanted to get a D&D , but they don't make one for the race header apparently. Now I figure I will re-weld the pipe to the muffler, but what about the packing? What does it help-or hurt- to have it or leave it empty? Will stainless steel wool work?

Harry
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Dave
Posted on Sunday, November 17, 2002 - 04:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Buell issued that recall on the race muffler for the problem it sounds like you're describing. I understand that the internal neck on the new race muffler is different. Perhaps ... check with your dealership and Buell Customer Service to see if a replacement muffler is in order.

DAve
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Stormfool
Posted on Tuesday, December 31, 2002 - 01:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As far as repacking goes I reccomend it highly--will smooth the idle/ lower the tone of the exhaust/ and increase overall midrange torque (due to increased backpressure).

I use rockwool (available at hydroponic suppliers) as it is dense and less prone to blow out than the fluff--you will need a long sharp knife (I use a machete) to carve the slab of rockwool in order to fit it into the can.
Enjoy :D
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Werewulf
Posted on Friday, January 09, 2004 - 07:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i was thinking about putting in an aftermarket baffle in the race can. it would add a lot of back pressure and hopefully give me more low end power. has anyone done this??
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