FMF Q4 Spark Arrestor Slip-On Muffler for '15-22 Beta X-Trainer (025173)
- Q4 Spark Arrestor Slip-On Muffler
- Less mass to enhance power-to-weight ratio
- The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
- Quiet power with minimal sacrifice for performance
- Developed over years of championship off-road racing
- Twin-stage core design for lower sound output and extended life of packing material
- Comes standard with spark arrestor
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2016-2017 | Beta | Xtrainer 300 | |
| 2019-2022 | Beta | Xtrainer 300 | |