The FMF Factory 4.1 RCT Slip-On Muffler - Anodized Titanium with Carbon Fiber End Cap - CRF450X is a slip-on muffler for motorcycle, dirt bike, MX and street riders who want a simple way to upgrade their exhaust sound and performance. It is designed to be installed as part of a complete exhaust setup.

• Brand: FMF
• Product: Factory 4.1 RCT Slip-On Muffler - Anodized Titanium with Carbon Fiber End Cap - CRF450X
• Size: One Size
• Part Number: 1821-1978
• Category: Slip-On Mufflers

Always check the manufacturer's fitment information to confirm it fits your year and model before ordering. Some exhaust products are intended for off-road or competition use only, so confirm legality for your area.

• 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
• Meets AMA and FIM sound requirements
• QuietCore 94 dB insert included
• Spark arrestor included in muffler
• Made in the USA

  2019-2027

  Honda

  CRF450X