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Old 04-15-2011, 09:08 AM   #1
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Strange Exhaust Noise

So just to throw it out there, this video is NOT my car. However, my car makes a very similar noise. Does anyone know what this is a result of and how to fix it. The car sounds great then it just sounds like crap right above idle.

http://www.youtube.com/watch?v=gXju8ZJfySk&feature=related
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Old 04-15-2011, 11:50 AM   #2
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I would venture to guess that the design of the catback exhaust (i.e. resonators) are creating a distinct and peculiar acoustic during deceleration .
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Old 04-15-2011, 12:18 PM   #3
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Lobo1186,

Are you running an aftermarket exhaust or are you getting this noise with a stock setup?

In case you haven't seen this thread it is about the same sort of noise I believe. Unfortunately there isn't a conclusive resolution, but some theories.

http://www.986forum.com/forums/showthread.php?t=21874&highlight=exhaust+noise

BTW, I'm running a complete NHP system on my 2.7 and don't hear anything like the sounds from the video.

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Old 04-17-2011, 04:40 PM   #4
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Sounds horrible!
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