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Ranking relative loudness street twin exhaust

2K views 5 replies 4 participants last post by  Hybrid81 
#1 ·
What I am interested in finding out is the relative volume of different slip ons. The cat has been deleted so i dont need information on mufflers with cats. I only plan on changing the slip ons so not interested in full exhaust etc. I have installed an x-pipe already so I am interested only in volume of bikes with the xpipe removed. Of course I am sure someone will comment about the volume with the cat, but I don’t need that information.

Here is what I have figured out so far with the x pipe removed from quietest to loudest:

Stock mufflers (quietest) < vance and hines with db killers < cone eng shorty performers < straight pipes (loudest)

Can anyone add to this?
 
#4 ·
I have the Cone shorty's with a Motone x pipe and while its pretty loud, and has some popping its not too loud. I had the cone shorty's before installing the x pipe and liked it, after adding the Motone xpipe I now love how my bike sounds. Prior to having the cat removed and Cone shorty's installed I had the British Customs shorty's, and they were barely louder than the stock exhaust.
 
#5 ·
I should be more specific, i am trying to find the rank of the volume with the cat deleted as i do not plan on installing it ever.

Revised sound level from quiet to loud (and cat removed)

1) Stock mufflers (quietest)

2) Vance and hines with db killers

3) TEC

4) Cone eng shorty performers

5) Straight pipes (loudest)
 
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