4 ms·

And the problem is that they put loud mufflers on purpose. The stock mufflers aren't very noisy, or at least they're as silent as a 16k RPM engine can be.

• ska 7y ago
  Well the harleys are some of the worst offenders here, even on stock pipes. RPM isn't really an issue there.
  • StavrosK 7y ago
    Yeah but Harleys' main selling point is literally "the stock exhaust is distinctively annoying".