Factory 4.1 RCT Exhaust System for Yamaha YZ450F 23-24

• RCT (Resonance Chamber Technology) features a core shape
which reduces decibels while maintaining maximum power output
• Internal ducts in the RCT system chambers increase the
internal volume to improve exhaust flow, resulting in power gains throughout the power range
• FMF's advanced factory engineering centralizes mass and is less prone to collision damage
• Innovative rear cap features simple installation of fitting tip inserts or spark arrestor with the removal of four screws
• QuietCore 94 dB insert included
• Spark arrester included in the muffler
• Features MegaBomb head and intermediate tube
• Blue anodized titanium Megabomb head with black carbon fiber end cap
• Meets AMA and FIM sound requirements
• FMF 044478