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Author Topic: Exhaust-How loud is too loud? NOW WITH VIDEO!!!  (Read 7138 times)
Monstermash
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Interferiscalo se potete
« on: February 22, 2009, 10:38:51 AM »
So I recently finished my custom Termi 2 into 1 custom exhaust. I mated it to a Quat-D header and man is this thing loud.

After reading another post which had some db measurements listed for a stock exhaust and a Leo Vince I thought it might not be a bad idea to see how loud it was.   

 And the answer is.....F*CKING LOUD!

 At idle it measured 105.2 db measured from the right side of the bike at a distance of 6'. One thing to keep in mind for this measurement is that I took it in my garage because it was snowing out. Once it gets a little warmer I will take the bike outside and check it again. I'm sure the measurement will be significantly lower....maybe.

  For those of you who are wondering how I made the measurement, I downloaded a decibel meter app on my iPhone to use as a measuring device. I was a little concerned at how accurate it would be so I compared it to an Audio Control SA 3052 we have at the shop. To my surprise it was pretty accurate. At the shop I used pink noise and used several sample levels between 65 db and 95 db. Then I measured it using the app on the iPhone and measured within .5 db +/- each time. 

 So, is it too loud, or no?
« Last Edit: March 01, 2009, 09:23:12 PM by Monstermash » Logged
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ducpainter
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« Reply #1 on: February 22, 2009, 10:44:40 AM »
It's way too loud IMO.
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Monstermash
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« Reply #2 on: February 22, 2009, 10:51:02 AM »
Quote from: ducpainter on February 22, 2009, 10:44:40 AM
It's way too loud IMO.



 Yeah, but you're old so.......  laughingdp
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« Reply #3 on: February 22, 2009, 10:53:23 AM »
Quote from: Monstermash on February 22, 2009, 10:51:02 AM
Yeah, but you're old so.......  laughingdp
And in my opinion, and I'm not so old... yet  Cheesy
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« Reply #4 on: February 22, 2009, 10:57:08 AM »
I'm 170 years younger than Nate and I think that is too make the beast with two backsing loud.
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Duck-Stew
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« Reply #5 on: February 22, 2009, 11:05:15 AM »
http://www.youtube.com/watch?v=Wd_YEo3nl0M&feature=PlayList&p=3AB4D54FD7940D77&playnext=1&index=3

Or, not loud enough....

The black/gold bike was 117dB and the bobber was 118dB.
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ducpainter
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DILLIGAF
« Reply #6 on: February 22, 2009, 11:07:43 AM »
Quote from: Duck-Stew on February 22, 2009, 11:05:15 AM
http://www.youtube.com/watch?v=Wd_YEo3nl0M&feature=PlayList&p=3AB4D54FD7940D77&playnext=1&index=3

Or, not loud enough....

The black/gold bike was 117dB and the bobber was 118dB.


at idle?
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"Once you accept that a child on the autistic spectrum experiences the world in
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 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
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Monstermash
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Interferiscalo se potete
« Reply #7 on: February 22, 2009, 11:09:52 AM »
Quote from: ducpainter on February 22, 2009, 11:07:43 AM
at idle?

 I was going to ask the same question.
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Duck-Stew
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« Reply #8 on: February 22, 2009, 01:36:41 PM »
No silly!  At WOT.  But honestly, idle was pretty bad too...
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Monstermash
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Interferiscalo se potete
« Reply #9 on: February 22, 2009, 01:39:41 PM »
Quote from: Duck-Stew on February 22, 2009, 01:36:41 PM
No silly!  At WOT.  But honestly, idle was pretty bad too...

 Well see there's the difference. My bike is 105.2 db at IDLE!
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Duck-Stew
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« Reply #10 on: February 22, 2009, 01:46:02 PM »
Quote from: Monstermash on February 22, 2009, 01:39:41 PM
Well see there's the difference. My bike is 105.2 db at IDLE!

[Homer Simpson]

DOH!

[/Homer Simpson]

Guess I missed the part about you having 105 at idle.  My bad.

What'd you do?  Turn your muffler into a loudener?!?  laughingdp laughingdp
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« Reply #11 on: February 22, 2009, 05:46:02 PM »
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« Reply #12 on: February 22, 2009, 05:48:02 PM »
you know it's too loud when after a couple of days after your last ride the first answer you give to people when they speak to you is "WHAT", "WHAT"   laughingdp laughingdp

 coffee
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Monstermash
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Interferiscalo se potete
« Reply #13 on: February 22, 2009, 05:50:39 PM »
Quote from: geoffduc on February 22, 2009, 05:48:02 PM
you know it's too loud when after a couple of days after your last ride the first answer you give to people when they speak to you is "WHAT", "WHAT"   laughingdp laughingdp

 coffee

 Yeah, I should be asking that alot this year.

 I should have a video/sound clip in a few days for everyone.
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NAKID
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« Reply #14 on: February 22, 2009, 05:54:40 PM »
Not too loud. I think you are right about the measurement. It will be lower outside of the garage. You at least have a muffler. I have heard the bobber run and I have to say, the un-baffled BoomTubes on my bike are way louder....
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