FMF MegaBomb Header Yamaha WR / YZ 450 18-20

Features:

• The ultimate power booster
• Improved bottom to mid-range power
• Produce the low end of a longer header and the top end of a short header
• Less susceptible to damage than a long header
• Effectively reduces sound output by as much as 1.5 dB
• Run well with sound-restricting mufflers
• NOTE: Will not pass 2025 FIM sound regulation

Fit the models: