Footage of the Meistershaft GT exhaust system on an 09 BMW E92 M3. Contains in-car and external recordings to examine the aural excitement provided by the exhaust. Note: Drone on exhaust is present around 3K RPM. Recorded audio indicates drone around 2k RPM, which is not really audible in vehicle in comparison to the drone at 3K RPM.
Note 2: Listen on something other than a laptop to hear the full sound.