END OF LINE Factory 4.1 RCT Exhaust Silencer 11-13 Yamaha YZ 450 F - FMF 044372

FMF Factory 4.1 RCT Exhaust Silencer

Experience unparalleled performance with the FMF Factory 4.1 RCT Exhaust Silencer. Engineered for precision and power, this silencer incorporates advanced Resonance Chamber Technology and a patented core shape designed to reduce sound levels without compromising maximum power output.

The innovative canister shape increases internal volume, allowing for more sound-absorbing material, while the patented chamber design refines exhaust pressure for an optimized riding experience. Factory Forward Engineering centralizes mass, making the silencer less susceptible to damage from impacts.

Each exhaust is meticulously tuned with optimized core specifications tailored to its specific application. You can expect the quality, craftsmanship, and performance synonymous with the FMF brand.

Key Features:

• Incorporates Resonance Chamber Technology.
• Patented core shape lowers sound level while maintaining maximum power output.
• Patented canister shape increases internal volume for more sound absorbing material.
• Patented chamber design to enhance and refine exhaust pressure.
• Factory Forward Engineering centralizes mass and is less prone to crash damage.
• Tuned exhaust with optimized core specifications for each application.
• Meets AMA and FIM sound requirements.
• Spark arrestor included in muffler.
• Built 100% in the U.S.A. at FMF's state-of-the-art factory.
• Easy maintenance with removal of 4 screws on the front end cap.
• Compatible with stock or FMF header.

Notice: For Closed Course Competition Use Only.