
- Who
- Denis Podshivalov
- What
- 143 decibel(s) (C-weighted)
- Where
- Russian Federation (Omsk)
- When
The loudest motorcycle audio system produces a sound pressure level of 143 decibels, and was built by Denis Podshivalov (Russia), and showcased at an International Auto Sound Challenge Association competition at Fedorovka airport, Omsk, Russia, on 28th July 2012.