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Help! Vibrating Catback Exhaust

Yeah, it definitely shouldn't sound like that (your youtube vid). We're assuming no damage was done to the exhaust manifolds or engine mounts while removing the stock cats? Did you

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Old 06-11-2010, 10:11 PM   #16 (permalink)
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Yeah, it definitely shouldn't sound like that (your youtube vid). We're assuming no damage was done to the exhaust manifolds or engine mounts while removing the stock cats? Did you visually inspect for any loose packing material/mesh inside the cats before installing?
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Old 06-11-2010, 10:54 PM   #17 (permalink)
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That sucks man.. :/ hopefully you get your thing fixed. Mabuhay
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Old 06-12-2010, 10:18 AM   #18 (permalink)
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i was talking about the brace that is in front of the back wheels. the pipes go over the brace.
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Old 06-12-2010, 11:55 AM   #19 (permalink)
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Quote:
Originally Posted by djpathfinder View Post
Yeah, it definitely shouldn't sound like that (your youtube vid). We're assuming no damage was done to the exhaust manifolds or engine mounts while removing the stock cats? Did you visually inspect for any loose packing material/mesh inside the cats before installing?
We tried to shake the whole pipe including the hfc and it is pretty solid. Yup I visually inspected the new cats before installation, everything was ok.

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i was talking about the brace that is in front of the back wheels. the pipes go over the brace.
No Mike, nothing is hitting against something. The hfc including the midpipe just shakes at just 1800 rpm. Other rpm range is ok though. As soon as I passed by at that rpm range it vibrates/shakes the pipes.
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Old 06-12-2010, 11:56 AM   #20 (permalink)
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put stock cats back on and see if it still does it. If not then its the HFCs, return them and go with another company or get a new set. My ERZ and FI CBE are doing great.
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Old 06-12-2010, 12:01 PM   #21 (permalink)
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^^ agree, if nothing is touching and nothing is loose its probably a defect in the hfc
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Old 06-13-2010, 12:37 PM   #22 (permalink)
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Quote:
Originally Posted by Gunzero View Post
That sucks man.. :/ hopefully you get your thing fixed. Mabuhay
Hopefully men. Salamat i will go back to the shop tomorrow.
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Old 06-14-2010, 09:04 AM   #23 (permalink)
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I am also having an exhaust rattle, other than the hiss on decel. Its fairly similar and seems to happen more often in the cold. Im hoping its just hitting the cross member. I still need to investigate, however i have Berk cats not ERZ, and stillen CBE.
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Old 06-14-2010, 09:38 AM   #24 (permalink)
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Originally Posted by Nitex View Post
I am also having an exhaust rattle, other than the hiss on decel. Its fairly similar and seems to happen more often in the cold. Im hoping its just hitting the cross member. I still need to investigate, however i have Berk cats not ERZ, and stillen CBE.
Mine, vibrates and shakes at exactly 1800rpm. The hfc and the midpipe next to hfc is shaking like crazy that you can feel it inside the car and shift knob vibrates at that rpm level too.
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Old 06-16-2010, 05:27 PM   #25 (permalink)
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Update: My mechanic put the two vibration damper from the stock y pipe between the pipe from the resonator of Invidia and Hfc and it helps a lot. I still have a little bit of vibration but it is tolerable now.

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Old 06-16-2010, 06:28 PM   #26 (permalink)
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Missed you at the last meet. I am interested in the invidia and would like to hear it. Lets meet up sometime.
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Old 06-16-2010, 09:55 PM   #27 (permalink)
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Do you know where he got those vibration dampers? I'd like to try a set of those on mine, my Y-pipe has some serious vibration and hissing on the flex joints... been driving me crazy.
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Old 06-16-2010, 11:33 PM   #28 (permalink)
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Quote:
Originally Posted by ArtVandaleigh View Post
Do you know where he got those vibration dampers? I'd like to try a set of those on mine, my Y-pipe has some serious vibration and hissing on the flex joints... been driving me crazy.
From the stock y-pipe...
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Old 06-17-2010, 04:57 AM   #29 (permalink)
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Quote:
Originally Posted by cptspeed View Post
Missed you at the last meet. I am interested in the invidia and would like to hear it. Lets meet up sometime.
I was working that weekend when you guys had a meet, that's why I didn't come. I am down for another meet again. Invidia won't let you down men. For their price, you can't beat that. By the cat-back itself, it is not loud enough for me but when I put some HFC it came alive (WOW) especially at WOT. It's just perfect. Some folks here had a review about Invidia read those too. Here's the video with hfc.

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Originally Posted by ArtVandaleigh View Post
Do you know where he got those vibration dampers? I'd like to try a set of those on mine, my Y-pipe has some serious vibration and hissing on the flex joints... been driving me crazy.
You can't get those hiss go away men unless it is obnoxiously loud. Try to put those dampers and see what it can do. I am surely for sure it will help a lot. efuseakay answered your question By the way, you can buy those online at Nissan parts

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From the stock y-pipe...
Thanks men

Last edited by bradz; 06-17-2010 at 05:27 AM.
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