FMF FACTORY 4.1 RCT SLIP-ON MUFFLERS Yamaha WR 250 20-21

Features:

• RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
• Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
• FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
• Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
• Compatible with stock header or FMF header
• QuietCore 94 dB insert included
• Spark arrestor included in muffler
• Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps
• Meet AMA and FIM sound requirements
• NOTE: Will not pass 2025 FIM sound regulation

Fit the models: