- The ultimate power booster
- Improved bottom to mid-range power
- Produce the low end of a longer header and the top end of a short header
- Less susceptible to damage than a long header
- Effectively reduces sound output by as much as 1.5 dB
- Runs well with sound-restricting mufflers
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2020-2024 | Yamaha | WR250F | |
| 2019-2024 | Yamaha | YZ250F | |
| 2024 | Yamaha | YZ250F 50th Anniversary Edition | |
| 2021-2023 | Yamaha | YZ250F Monster Energy Yamaha Racing Edition | |
| 2020-2024 | Yamaha | YZ250FX | |