Gen 5 Camaro External Bolt-On Tech - Buzzing/Rattling coming from muffler area at about 1500 rpm
08-14-2012, 06:23 PM
What is this buzzing sound and how do I get it fixed? Is it one of the mufflers?
08-14-2012, 10:48 PM
Might be a heat shield.
Posting a video will help.
08-16-2012, 08:34 PM
I'll try to post a video of it at some point soon. It sounds like a metal-to-metal vibration. It is not drivetrain related at all. Definitely something in the exhaust behind the rear axle.
11-23-2012, 11:58 PM
afm kicking in try tapping the throttle to see if it goes away. than you will know for sure its the afm
11-24-2012, 12:11 AM
LS3 dont have afm
11-27-2012, 08:58 AM
2010s have a few instances of the actual baffles going bad inside the mufflers. If you are under the original 3yr/36K miles mark....it will be covered under warranty....if not get a real catback/axle back anyway!
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