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Sportster muff installation (Read 1538 times)
Hammy211
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Re: Sportster muff installation
Reply #15 - 06/15/05 at 01:12:26
 
I bent the muffler mount simply buy pulling on it.  Only did it because I was in a rush to get it on and I knew I was going to have my hands full trying to bend the bracket on the muffler.  You need a Clymer manuel to help you with the carb assembly and disassembly.  I think you would hurt the bike if you didn't rejet and lower the needle.  It would be pretty obvious though by the backfires.  There is lots of stuff on this site about rejetting if you search.  You just need to make the muffler work.

lcs151 wrote on 12/31/69 at 16:00:06:
exactly how did you "bend" the muffler mount? what do you recommend i buy to rejet? Amals? dynojet? which is better? what size do i need of each? anything else i need? what is a pilot? if i put these pipes on without re-jetting, will i hurt the bike? or should i rejet first?

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pgolden
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Re: Sportster muff installation
Reply #16 - 05/09/06 at 07:02:11
 
USA model, pre-2004, does not matter about front or back. The difference in front and back is the mounting tab. You can rotate either muffler so the tab will be close to the mounting bracket. I would take the header pipe off the bike, carry the muffler and pipe to a muffler shop and tell them you need a 6 or 7 inch adapter with a 10 degree bend. That will be about $10.00 or $15.00.
When you use the adapter pipe the install is much easier and looks great. I have a picture of the adapter on bikepics. (see link in my signature line)
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Targett3997
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Re: Sportster muff installation
Reply #17 - 06/09/09 at 07:45:09
 
Does anyone worry about the exhaust blowing on the brake line?  It concerns me, and the only fix I see is to shorten the pipe and put some sort of deflector on it.  Any thoughts?
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John_D FSO
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Re: Sportster muff installation
Reply #18 - 06/09/09 at 14:45:18
 
Most people who are concerned put in an angled adapter.  That's what I did.  It both angled the pipe to match the swingarm, and extended it past the rear brake lever.

Those that don't go this route report that all it does is soot up the rear brake arm, resulting in the need to wipe it down once in a while.


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Struch
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Re: Sportster muff installation
Reply #19 - 11/15/15 at 11:18:47
 
Thanks your directions helpt allot! My muff was cut out with torch by previous ouner ((( I got sportster used muff for 30$ and this is all that I spend )
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Pratik Tailor
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Re: Sportster muff installation
Reply #20 - 03/23/18 at 14:18:33
 
Hello Everyone, Is there anybody who provide me that adaptor with bent, because I went to muffler store and that person is telling me $80 for making that adaptor.
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IslandRoad
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Re: Sportster muff installation
Reply #21 - 04/01/18 at 02:34:31
 
I had an 'adapter' made at a local exhaust shop. It extended the exhaust more than I liked, and I couldn't get it sealed. Luckily, the guy didn't charge me, because the project didn't work (he's a good guy!). In the end I stuck the Dyna muff straight on the header (with a home-made gasket) and used one bolt (and Loktite) to attach to the muffler mount on the bike. 12 months and she runs fine, and looks good to me ... I had to rotate the header pipe away from the bike a little bit, which bugged me. However, given the random compliments I get in the street, about the bike, I'd say nobody notices!
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IslandRoad
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Re: Sportster muff installation
Reply #22 - 04/01/18 at 02:35:39
 
... my brake actuator gets sooted up, but that doesn't affect anythng.
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S40, 2015, Dyna, Raptor, 52.5/152.5, spacer mod, sea level, cat-eye LED tail light, bullet style halogen turn signals, 31" drag bars with custom risers, modified stock seat, Metzeler tyres.
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