Fmf Q4 Slip-on Muffler For Yamaha Yz250f & Wr250f (2014-2017) Offroad

Features: 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