70mph GMMG sqeak!
07-09-2005, 10:44 AM
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70mph GMMG sqeak! I just got my GMMG catback installed at GMMG about two weeks ago, and I went on the highway a few days ago and there is a horrible sqeaking rattling noise that occurs right at 70mph, and doesnt go away till you slowdown. Im pretty sure its coming from the hangers, does anyone know a solution for this. I would call GMMG but its the weekend and this noise is getting on my nerves. Thanks.
07-09-2005, 12:23 PM
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I had rattling after I first got mine installed, I crawled underneath and took a look and the exhaust was rubbing on my heat shield, so i bent the sheild outta the way 
07-09-2005, 04:28 PM
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the squeek on my gmmg comes from the back right tail pipe rubbing up against a metal piece, loosen the clamps, rearrange so its not that close / rubbing, tighten back down
