FMF Factory 4.1 RCT Slip-On Muffler Yamaha WR / YZ 250cc 19-27

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

Fits models:

YAMAHA    WR 250 F    2025    
YAMAHA    WR 250 F    2024    
YAMAHA    WR 250 F    2023    
YAMAHA    YZ 250 F    2026    70th Anniversary Edition
YAMAHA    YZ 250 F    2026    
YAMAHA    YZ 250 F    2025    70th Anniversary Edition
YAMAHA    YZ 250 F    2025    
YAMAHA    YZ 250 F    2025    Monster Energy Racing Edition
YAMAHA    YZ 250 F    2024    50th Anniversary Edition
YAMAHA    YZ 250 F    2024    
YAMAHA    YZ 250 F    2023    Monster Energy Racing Edition
YAMAHA    YZ 250 F    2023    
YAMAHA    YZ 250 F    2022    
YAMAHA    YZ 250 F    2022    Monster Energy Racing Edition
YAMAHA    YZ 250 F    2021    
YAMAHA    YZ 250 F    2021    Monster Energy Racing Edition
YAMAHA    YZ 250 F    2020    
YAMAHA    YZ 250 F    2019    
YAMAHA    YZ 250 FX    2027    
YAMAHA    YZ 250 FX    2026    
YAMAHA    YZ 250 FX    2025    
YAMAHA    YZ 250 FX    2024    
YAMAHA    YZ 250 FX    2023    
YAMAHA    YZ 250 FX    2022    
YAMAHA    YZ 250 FX    2021    
YAMAHA    YZ 250 FX    2020