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Got a sound level meter. Full catless cold start registered at ~97 dBA. Fast revs to 6K RPM registered ~106 dBA peak, easy revs to 6K and held steady registered ~100 dBA peak. Rough measurement at 2 ft away, 45 degrees up from the level plane of the exhaust tip. This isn't too surprising considering the JASMA rating was ~93 dB for catback only
After living with the catless system for a few months: it certainly has some drone around ~3k RPM, but is not unbearable. Quite quiet outside that range and when easy on the throttle.
Some in-cabin clips of spirited driving:
[ame]https://www.youtube.com/watch?v=DFWiRAq1n9M[/ame]
Last edited by EndlessAzure; 07-06-2021 at 05:13 AM.
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