FMF Q4 HEX Slip-On Exhaust Silencer For Husqvarna FC 450 Rockstar 2019
Q4 Hex Slip-On Muffler. With the Q4 you don't need to hear the power, just feel the power! Husqvarna FC 250 Rockstar Edition 2022-2022. Husqvarna FC 450 Rockstar Edition 2019-2020. Husqvarna FC 450 Rockstar Edition 2022-2022.