- Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power loss
- Well under the 96db sound output on most machines to satisfy strict sound requirements
- U.S. Forestry approved Spark arrestor with maintenance free, stainless steel spark arrestor screen
Fitment (from WPS item title): Yamaha, YZ250F, 2003–2005