FMF Q4 4-Stroke Quiet Series Slip-On Exhaust | 042388 blue rocks and other debris which

rocks and other debris which could cause the rotor to bend-causing the rear wheel to be stuck

Adds almost 1/2 horsepower

Make Model Year YAMAHA YZ250 97-98

the ultra-smooth G2 Throttle Tube with self-lubricating Delrin bushings in each end prevents the aluminum tube from galling against the handlebar

Gas Gas EC 300 2001 to 2017

FMF Q4 4-Stroke Quiet Series Slip-On Exhaust | 042388 blue rocks and other debris whichDeveloped 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