Quote:
Originally Posted by churchx
Tcoat: do you track car? I've heard that it's muffler stuffing may burn out when often going at high rpms, and thus loudness will increase for TRD exhaust by time.
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No I do not track. I do not know what type of internals the TRD muffler uses but would suspect that you would have to really, REALLY heat it up to burn anything out enough to have a sizable difference in volume.