Quote Originally Posted by terrydj View Post
And in Australia we have a decibel limit of 93
you're off the road if its louder...
That would be very problematic for a Thunderheader.....

Just curious:
What is the Aussie police procedure for taking dB readings?
What distance from the pipes?
Is the decibel meter "flat", "A", or "C" weighted?
At idle? Or with a throttle twist? Certain RPM?