FMF Q4 HEX Slip-On Spark Arrestor Exhaust Silencer For Yamaha WR 250 F 2020-2021
Q4 HEX MUFFLER. With the Q4 you don’t need to hear the power, just feel the power! Spark arrestor included. Yamaha WR 250 F 2020-2021. FOR CLOSED COURSE COMPETITION USE ONLLY. NOTE: Will not pass 2025 FIM sound regulation #BBD0E0 ».