LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Exhaust Vibration

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Old Dec 9, 2003 | 10:37 AM
  #1  
Red96Lt1's Avatar
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From: Birmingham, Al
Exhaust Vibration

I used a hooker y pipe when I installed my Jet Hot's, and I think I am getting exhaust vibration at about 75 MPH. I was wondering if someone had a solution to this.
Old Dec 9, 2003 | 06:23 PM
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LWillmann's Avatar
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From: Middle Tennessee
It might be that you need to grind on the transmission cross-member to make clearance for the y-pipe to move a little.
Old Dec 9, 2003 | 08:24 PM
  #3  
S.J.S.'s Avatar
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From: HI.
I have the same vibration and I found it to be coming from my Cat-back hitting the floorpan under the rear passenger seat area. Just haven't figured out how to fix it.
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