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Loudness of exhaust

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Old May 12, 2005 | 02:06 PM
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Default Loudness of exhaust

why not sticky a thread with decibel readings of the different types of exhaust so ppl stop asking tht question?
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Old May 12, 2005 | 06:10 PM
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that would be an interesting project for someone to do. i wonder if any magazines have already done this? my brother has shown me a best motoring where they compare catback systems(on a s2000), but it was in japanese.

Last edited by snake charmer; May 12, 2005 at 06:11 PM. Reason: typo
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Old May 12, 2005 | 06:20 PM
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There was one (I swear I saw it) that had about a dozen catbacks and the decibel levels at idle and WOT.
IIRC it was a post in one of jrp's exhaust threads
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Old May 12, 2005 | 06:33 PM
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QUOTE: why not sticky a thread with decibel readings of the different types of exhaust so ppl stop asking tht question?

That might help some, but knowing how many decibels an exhaust puts out is hard to put in perspective, and won't stop all the questions. 92 decibels may be loud to one person, and might not be considered loud to someone else. I read an article that covered db readings for alot of mufflers in a ford mag. After reading the article, I still felt like asking someone else what a couple of the mufflers would sound like. Alot of times I think the person asking the question really wants to know how loud the exhaust seems from somebody else's perspective, and not just how many db's it puts out.
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Old May 12, 2005 | 06:37 PM
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Originally Posted by Redneck Z

Alot of times I think the person asking the question really wants to know how loud the exhaust seems from somebody else's perspective, and not just how many db's it puts out.
Thats true but having a list of db levels would answer a lot of questions. For example, if someone has heard a flowmaster and can see the db rating, they can more easily determine how loud or quiet another one would be. Just a thought.
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Old May 12, 2005 | 07:17 PM
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decibles are only a measure of how loud a given thing is, there is no way to truly measure what somebody thinks an exhuast sounds like to the next indivual.
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Old May 12, 2005 | 07:56 PM
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Originally Posted by snake charmer
decibles are only a measure of how loud a given thing is, there is no way to truly measure what somebody thinks an exhuast sounds like to the next indivual.
Not only that, but the different pitches of the exhaust effect how loud it is perceived to be. People tend to percieve higher pitches as being louder. To an extent...
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Old May 12, 2005 | 08:01 PM
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Originally Posted by snake charmer
decibles are only a measure of how loud a given thing is, there is no way to truly measure what somebody thinks an exhuast sounds like to the next indivual.
i think decibals would be a good idea. of course you wouldnt get the tone but you would get the loudness, which would answer a lot of questions
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