- Overall increase in power and torque
- Durable stainless steel and aluminum construction
- Space Age internal packing material for maximum longevity
- Internal shape of core uses Hi-Flo technology
- Enhanced sonic evacuation provides for higher flow and increased power
- Includes removable spark arrestor
- FITS 2015-2019 Yamaha YZ 250 FX, 2015-2018 Yamaha WR 250 F, 2014-2018 Yamaha YZ 250 F