Originally Posted by Phil325i
Don't do it! That AA sounds 'muted' after a PE in my view. And who would knowingly change from a no-drone to a drone exhaust?
I've only listened from inside the car, but aside from the rpm range mentioned it doesn't sound loud. You definitely know it's there, but above 2.5k rpm you're certainly not going to have your passengers complaining or the police pulling you over for a noise violation.