FMF Q4 Hex Spark Arrestor For Yamaha 450 WR/YZ (14-18) | 044413 Dark Blue CLICK *HERE* FOR THE FULL

CLICK *HERE* FOR THE FULL BIG BORE KIT

It comes with a durable holder and manufacturer's lifetime warranty

- Anodized Husky Blue or Black

Compatible with 1/2" drive ratchets or 1" wrench for optimal leverage

FMF Q4 Hex Spark Arrestor For Yamaha 450 WR/YZ (14-18) | 044413 Dark Blue CLICK *HERE* FOR THE FULLIncorporates 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 Less sound equals more ground Meets USFS and FIM World Enduro sound regulations Power gains throughout the entire rpm