FMF Racing Mini Factory 4.1 RCT Slip-On Mufflers

FMF Racing's Mini Factory 4.1 RCT slip-on mufflers were designed to bring out the hidden power potential in your machine by improving top-end pull and low-end torque. These lightweight mufflers incorporate the latest in Resonance Chamber Technology—both internally and externally. FMF Racing uses only the highest quality proprietary blend of alloy grade titanium material for the Factory 4.1 mufflers that meet FMF's exacting specifications. In addition, the FMF Mini Factory 4.1 mufflers shorter overall length is less susceptible to crash damage and complementary to the Factory Forward Engineering, moving the muffler closer to the motor to centralize mass to improve handling. If you're looking to drop weight, improve looks and most importantly improve your bikes power band, then look no further than FMF Racing's Mini Factory 4.1 RCT slip-on mufflers. Key product features and benefits: * Made from premium quality American materials * Available in natural titanium or blue anodized titanium with titanium end caps * The lightest mufflers available—offering huge weight savings * Massive power gains throughout the rpm range * Factory Forward Engineering centralizes mass—improving handling * RTS (Rapid Tuning System) for quick and easy trackside tuning * Innovative rear endcap for simple installation of tuning tip inserts or spark arrestor—removable spark arrestor included on most models * 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 * Meets AMA and FIM sound requirements on most models * Can be used with FMF or stock OEM header Show Less