Twister Trunk
- 30 second average
- 40–53 Hz
A 30 second musical average class. Music must be played and must peak between 40 and 53 Hz. The sensor goes anywhere in front of the OEM front seat location.
World record149.62 dBJoni Clark, 2026- Class type
- Demo
- Build type
- Trunk
- Format
- 30 second average. The meter averages the reading over 30 seconds of play. Most average classes require music.
- Frequency
- 40-53 Hz (music only)
- Music
- Music only
- Sensor and vehicle
- Anywhere in front of OEM front seat
- Scoring
- Average SPL
- Extreme builds
- Not allowed