The FMF Factory 4.1 RCT Exhaust System - Titanium/Anodized - Blue with Carbon End Cap - YZ450F is a full exhaust system for motorcycle, dirt bike, MX and street riders who want improved exhaust performance and a lighter, free-flowing setup for their bike. It is designed to be installed as part of a complete exhaust setup.

• Brand: FMF
• Product: Factory 4.1 RCT Exhaust System - Titanium/Anodized - Blue with Carbon End Cap - YZ450F
• Size: One Size
• Part Number: 1820-2197
• Category: Full Exhaust Systems

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.

• The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally
• Achieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
• The Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the Southern California factory

  2026

  Yamaha

  YZ450F