Item ID: 044442. WR450F (2019–2024). YZ450FX (2019–2025). Carb Warning: None. Closed course use only. Weight: 5.7 lbs. Quiet Insert: Included. Spark Arrestor: Screen insert (included).
FMF Exhaust Yamaha WR450F 2019–2024 Powercore 4 Hex Silencer FMF 044441 UK
FMF Exhaust Yamaha YZ450F 2018–2026 Powercore 4 Hex Silencer FMF 044441 UK
FMF Exhaust Yamaha YZ450FX 2019–2025 Powercore 4 Hex Silencer FMF 044441 UK
FMF Exhaust Yamaha YZ450F 2018–2026 Q4 Hex Silencer FMF 044442 UK
FMF Exhaust Yamaha YZ450FX 2019–2025 Q4 Hex Silencer FMF 044442 UK
FMF Exhaust Yamaha WR YZ 250 F FX 19-26 Powercore 4 Hex Exhaust Silencer
