Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

buzz in exhaust, what causes it??

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Old Jun 2, 2003 | 06:09 PM
  #1  
neilff's Avatar
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From: Toronto, Canada
Default buzz in exhaust, what causes it??

i got my magnaflow muffler on today, it is buzzy over 3k during WOT
i am running 2.25" pipe from cat back with a new hi flow cat. i have a flex pipe connecting the cat and header. theres a resonator installed between the cat and the muffler twist in the rear around the gas tank. it is all crush bent piping. the muffler is a offset / centre muffler, stainless steel. 4"x7" or something is the name. just a universal muffler.

i kinda jumped the gun on getting my exhaust because this past weekend it broke at the cat and at the intermediate pipe. so everything is new header back. someone told me mandrel bent piping would fix this, or a longer resonator.. any help guys? why is the noise raspy?
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Old Jun 2, 2003 | 06:13 PM
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B16b2b's Avatar
 
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Default Re: buzz in exhaust, what causes it?? (neilff)

i think it just depends on the exhaust. i have a buddy club spec3, and it gets a little buzzy, too. BTW, it's large diameter and mandrel bent.
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Old Jun 2, 2003 | 06:24 PM
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Default Re: buzz in exhaust, what causes it?? (B16b2b)

you need a resonator.
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Old Jun 2, 2003 | 06:26 PM
  #4  
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Default Re: buzz in exhaust, what causes it?? (Kamin)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kamin &raquo;</TD></TR><TR><TD CLASS="quote">you need a resonator.</TD></TR></TABLE>

read b4 u post.. i already have one.
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Old Jun 2, 2003 | 06:32 PM
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yaya's Avatar
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Default Re: buzz in exhaust, what causes it?? (neilff)

OWND roflmao

OH!!!!!

buzz = resonation
get another resonator =P
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Old Jun 2, 2003 | 06:33 PM
  #6  
Kamin's Avatar
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From: Tucson, AZ
Default Re: buzz in exhaust, what causes it?? (yayaRl337)

you need a bigger/better resonator.

some exhausts have to use 2 because of shitty mufflers.
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Old Jun 2, 2003 | 06:39 PM
  #7  
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Default Re: buzz in exhaust, what causes it?? (Kamin)

The noise you hear is called fart. This is vibration of the exhaust when you poop it out.

Get a bigger resonator and you'll be fine to lessen the vibration.
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Old Jun 2, 2003 | 06:50 PM
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rodrez.'s Avatar
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From: King Tubbys studio, CA
Default Re: buzz in exhaust, what causes it?? (neilff)

Quote: someone told me mandrel bent piping would fix this, or a longer resonator..

Mandrel bent piping will not make a noticeable difference in sound, but a bigger resonator will
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Old Jun 2, 2003 | 06:58 PM
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neilff's Avatar
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From: Toronto, Canada
Default Re: buzz in exhaust, what causes it?? (rodrez)

okay, thx for the help
i thought i was safe with the single resonator
but i guess i will search for a larger / better one..

can anyone suggest a specific type / dimension?

also, will it be able to replace the one in there right now? its welded in on both sides and will it change the sound dramaticly (volume & tone) or just drop the buzzing?
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Old Jun 2, 2003 | 07:00 PM
  #10  
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Default Re: buzz in exhaust, what causes it?? (neilff)

like a 22-24" long resonator should be good for ya.
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Old Jun 2, 2003 | 07:01 PM
  #11  
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Default Re: buzz in exhaust, what causes it?? (neilff)

i would estimate that i have a 17" resonator..
so the same size as my c*ck give or take a few inches

how big should i go?


Modified by neilff at 8:15 PM 6/2/2003
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Old Jun 2, 2003 | 07:06 PM
  #12  
Si Arn's Avatar
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From: City of Roses, Ontario, Canada.
Default Re: buzz in exhaust, what causes it?? (neilff)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by neilff &raquo;</TD></TR><TR><TD CLASS="quote">i would estimate that i have a 17" resonator..
so the same size as my c*ck give or take a few inches

how big should i go?</TD></TR></TABLE>

did ya line up your cack and your resonator? Dont get any metal slivers doin that...
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Old Jun 2, 2003 | 07:15 PM
  #13  
neilff's Avatar
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Default Re: buzz in exhaust, what causes it?? (Si Arn)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Si Arn &raquo;</TD></TR><TR><TD CLASS="quote">

did ya line up your cack and your resonator? Dont get any metal slivers doin that...</TD></TR></TABLE>

nah man, its all new pipe
nice and tig welded..
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Old Jun 3, 2003 | 07:51 AM
  #14  
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From: King Tubbys studio, CA
Default Re: buzz in exhaust, what causes it?? (neilff)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by neilff &raquo;</TD></TR><TR><TD CLASS="quote">i would estimate that i have a 17" resonator..
so the same size as my c*ck give or take a few inches

how big should i go?


Modified by neilff at 8:15 PM 6/2/2003</TD></TR></TABLE>

WTF?? Hahahahaha
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Old Jun 3, 2003 | 07:58 AM
  #15  
Ricey McRicerton's Avatar
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Default Re: buzz in exhaust, what causes it?? (rodrez)

Id suggest a 22-24 inch resonator...like said above!
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Old Jun 3, 2003 | 08:25 AM
  #16  
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Default Re: buzz in exhaust, what causes it?? (poison)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by poison &raquo;</TD></TR><TR><TD CLASS="quote">The noise you hear is called fart. This is vibration of the exhaust when you poop it out.

Get a bigger resonator and you'll be fine to lessen the vibration.</TD></TR></TABLE>

there is a difference between fart and buzz...my world sport had a small buzz to it...but my es has a smooth tone...my old N1 was fart!
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Old Jun 3, 2003 | 08:32 AM
  #17  
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Default Re: buzz in exhaust, what causes it?? (neilff)

i had a pin hold in mid mid ipe that was making the car buz at WOT. went away when i replaced the mid pipe. i know yours is all new but might want to double check the clamps so they are tight enough
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Old Jun 3, 2003 | 08:37 AM
  #18  
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Default Re: buzz in exhaust, what causes it?? (teal_dx)

my es oval with 2.25" piping and resonator buzzes sometimes. It doesn't do it all the time though...i think just when i have been driving it a whole lot. If i let it sit for a while it will sound better.
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