FMF Q4 4-Stroke Quiet Series Slip-On Exhaust For Yamaha YFZ450 | 044210 draft Whether you're a beginner

Whether you're a beginner

Separate sleeve with an ReaFlex impact gel knee cup and hard-shell slider for ultimate knee brace comfort

this camshaft is a BBR exclusive

Designed by riders for riders

Textile and leather waterproofing

FMF Q4 4-Stroke Quiet Series Slip-On Exhaust For Yamaha YFZ450 | 044210 draft Whether you're a beginnerFitment: Make Model Year YAMAHA YFZ450 04 09,12 15 Developed over years of championship off road racing Max sound output 96db; most models below 93db Pounds lighter than stock Use with stock or FMF header Built in spark arrestor included Easy to repack Not legal for use in California on pollution controlled vehicles, race use only in California waiver available