I had a shop do my test pipes, for this very reason, and I'm told they didn't have any issues. BUT in the process the vibration killed one of the front sensors that I had to deal with myself. 50k miles and there was no way it was coming out without destroying some s**t. We even soaked it in acetone and ATF prior to touching it.
Here's the result. Had to re-tap the header while in the car. Never again...
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