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Baffle Removal This Easy?

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Old Oct 10, 2024 | 11:54 AM
  #11  
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Wow, I always understood the concept but to see it on an actual dyno run really tells the story. 30 ft lb loss on the bottom end. Yikes.
 
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Old Oct 31, 2024 | 01:21 PM
  #12  
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D&D used to (and maybe still do) suggest removing the muffler from the pipe, hosing down the internals with something like WD40 or PB blaster, and then repeatedly slamming down the outlet end of the muffler onto a piece of soft wood (like pine). Not even kidding. So I did this when changing out baffles on my Fatcat and it worked like a charm. The pine board took a beating but there was absolutely no damage to the chrome on the muffler which shocked me. I thought about using a slide hammer on the cross bar just inside the inlet but knew it would deform it and I was planning on selling the old baffle to someone who was looking for something more quiet. Just food for thought.
 
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Old Oct 31, 2024 | 04:34 PM
  #13  
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Call me crazy but pretty sure that pic is not a stock muffler. Baffles are spot welded in a stock muffler and ends are tapered. If it's a Harley muffler, it's probably a Screamin' Eagle slip on
 

Last edited by roussfam; Oct 31, 2024 at 04:37 PM.
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Old Nov 1, 2024 | 07:10 AM
  #14  
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Amen to those who said simply removing the baffles means more noise but less performance. You do lose torque and they usually sound like a hollow coffee can. Your bike do what ya want but louder ain't better, Exhaust companies spend tons on money trying to improve sound AND performance for a reason
 
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Old Nov 1, 2024 | 07:15 AM
  #15  
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Just an update:

they turned out to be Rush Racing Big Louie slip ons. I did not like the sound so I ordered bigger baffles. I could not get the baffles out because they were seized, so I ordered a set of Rinehart 4” slip ons. Very happy now and I appreciate all of your help!
 
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