Exhaust Silencer FMF Q4 HEX — Yamaha YZ 450 F, WR 450 F, YZ 450 FX 2018–2027 (4T)

The FMF Q4 HEX is a quiet four-stroke silencer with a hex-shaped body. It adds power across the range without announcing you to the whole village. Baffles and chambers are arranged to absorb sound with minimal loss of performance. Spark arrestor included. Fits: Yamaha YZ 450 F (2018–2027); Yamaha WR 450 F (2019–2026); Yamaha YZ 450 FX (2019–2023, 2025–2026). Specifications — muffler material: Aluminum, pipe material: Stainless Steel, end cap material: Stainless Steel, muffler finish: Raw, weight: 2,59 kg. Note: does not meet the 2025 FIM sound limit — intended for practice and closed courses, not for FIM-sanctioned racing. Spark arrestor included. Delivery 5–8 working days. SKU: 044442.