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Author Topic: The Only Header Thread You Should Ever Post In  (Read 111059 times)
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757accord
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« Reply #75 on: December 18, 2009, 03:09:06 PM »
actually found out the culprit. hah. it was my middle pipe hanger rubbing aginst part of the frame. guess when i installed my header, it kinda pushed my whole pipes back a little and the hanger was rubbing. but it's fine now.no more noises. and header/flex pipe seems to be still in good condition as well.
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CrackerTeg
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« Reply #76 on: December 18, 2009, 07:45:00 PM »
Glad you figured it out.
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757accord
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« Reply #77 on: December 19, 2009, 10:28:47 AM »
thanks man. appreciate the help and ideas
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Bobsk24
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« Reply #78 on: April 19, 2010, 08:03:23 AM »
good to hear.....If i would have heard it I could have told you if it was the flex pipe or not...good to hear its all good though!
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MDVACM #3
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« Reply #79 on: July 06, 2010, 12:38:23 AM »
Hey everyone, so I just installed a whole new exhaust on my k24, and there is this weird higher-pitched semi-whining sound that seems like its coming from the headers? Its hard to describe, but it kinda sounds like its extra air movement maybe but all the joints in the system seem fine and theres nothing coming out anywhere. Anyone else ever experienced anything similar? I'll try and record it tomorrow.

The system is a OBX 2 piece in to a magnaflow highflow cat, in to a greddy evo sp2
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timot_one
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« Reply #80 on: July 06, 2010, 12:44:29 AM »
Is this on a K24?  It's an OBX header?  Have you listened to all the flanges with a mechanic's stethoscope yet?
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« Reply #81 on: July 06, 2010, 12:52:07 AM »
yes, yes, but no...I''m pretty sure its coming form the obx headers because I hear it from the engine bay when I rev the engine...
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Jeff Likes Bagels
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« Reply #82 on: July 06, 2010, 01:00:27 AM »
Weren't there some people talking about how their DC ceramic headers were making a whistling sound? Maybe it depends on how your OBX headers were made that's causing that noise.
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« Reply #83 on: July 06, 2010, 01:06:21 AM »
The guy that put my exhaust on said it might be because of the flex pipe that isn't on the oem headers? like maybe there's a slight break-in period, but hes not sure...
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timot_one
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« Reply #84 on: July 06, 2010, 01:06:24 AM »
Quote from: another_person on July 06, 2010, 12:52:07 AM
yes, yes, but no...I''m pretty sure its coming form the obx headers because I hear it from the engine bay when I rev the engine...

So, it's coming from where the header bolts to the head?

Quote from: another_person on July 06, 2010, 01:06:21 AM
The guy that put my exhaust on said it might be because of the flex pipe that isn't on the oem headers? like maybe there's a slight break-in period, but hes not sure...

They must not know what they're talking about, because there is a flex pipe on the OEM exhaust.  It's just not part of the exhaust manifold, but it's in the same place as most aftermarket headers use. 
« Last Edit: July 06, 2010, 01:09:56 AM by timot_one » Logged
Tim
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« Reply #85 on: July 06, 2010, 04:25:46 PM »
Or maybe it was something about the pipe being in a different location or something...I'm not sure where the sound is coming from, but one of my coworkers suggested just getting a paper tube and trying to listen with that to see if there are any air leaks. I'll try that tonight.
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fabulous010
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« Reply #86 on: July 13, 2010, 06:21:08 AM »
im pretty sure its your flex pipe. my dc headers make the same noise. on low rpm its louder than my intake. cant wait to get  it replaced.
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« Reply #87 on: July 15, 2010, 12:18:18 AM »
mine made the same noise when i put a new header in also. Im just putting my stock manifold back on cause its really annoying
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« Reply #88 on: July 15, 2010, 09:21:13 PM »
i know its annoying but the gains are to good to abandon and go back to stock. F that!
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fabulous010
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« Reply #89 on: July 15, 2010, 09:30:06 PM »
whats a good quality flex pipe to replace the one on the dc ceramic header
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