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Discussion Starter · #1 ·
I'm trying to put this shorty muffler (emgo) says it should fit 1 3/4 and 1 1/2 pipes...i've got 1 3/4 inch pipes on the bike, but the muffler is way too loose. clamping won't seal, but I don't understand how it would clamp anyway, since it's not slotted, there's nothing to clamp. I could drill and secure them with a screw, but it'd still be too loose.

My question is, can I just make some shims? Or am I missing something? And if I can make them, what material, aluminum? Can I use a fucking beer can?

These are the mufflers:

Office supplies Automotive design Writing implement Rim Automotive exterior

These are the pipes, not that it makes a difference:

Rectangle Gas Nickel Metal Scale
 

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Yep, fucking beer can will work..

Do cut some slots in the pipe sleeve though..
 

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Go to your local parts store, and see if they have a reducer bushing to make up the difference, or a muffler shop. Probably cheaper than spending the time to make one. Like mentioned above by Danny F, you need to slot the outside pipe, or muffler, depending on which one is the bigger ID. Make at least 4 slots a little less than the clamp you will use.
 

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I've used these mufflers in the past. They always came with the needed spacers. I had to make 4 hacksaw cuts in the end that is to be used and then clamp.
 

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They don't cut slots on these mufflers to give the buyer the choice to use them in either direction of course.. (1 1/2" or 1 3/4" inlet)

(Sometimes if the difference in diameter is to big, using a hacksaw to cut the slots makes them not wide enough.. an angle grinder disc usually does the trick better.. Before you cut them, mark them to the width of your clamp..)
 

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Discussion Starter · #6 ·
Thanks alot guys, appreciate the help. I was thinking I would have to cut it...just hadn't seen it before and didn't want to ruin a muffler (even though it was cheap). The difference in diameter isn't big enough for a reducer sleeve, but seems like it would be loose even after its cut and clamped...if it is I may have to have a couple of beers I guess. Danny I'll tell my wife you said I had to :D
 

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..if it is I may have to have a couple of beers I guess. Danny I'll tell my wife you said I had to :D
No prob ! I'll take all the blame..
I could send you some cans of different Belgian beers.. but then you won't be able to cut that shim strip afterwards.. :D
 
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