Quote:
Originally Posted by mjfulk
I was able to get under the car and took the two bottom panels off. The metal one under the engine and fiberglass one under the transmission. After driving around for a day and a half the noise remained unchanged. I looked at the exhaust and didn't see anything obvious that would be causing the issue.
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Did you take off the heat shields on the overpipe/front pipe? The heat shields have several overlapping components that may cause rattling.
Also, it is rare but there is the remote possibility that the front pipe catalytic converter is bad. Mine was replaced under warranty because the honeycomb assembly came apart, was not making noise but was loose when you take off the front pipe.
-alex