- Highest-quality proprietary blend of alloy grade titanium
- Blue anodized titanium muffler with carbon end cap
- Massive power gains throughout the RPM range
- Rapid Tuning System (RTS)
The FMF Racing Factory 4.1 RCT exhaust system is engineered for high-performance motocross and enduro riding, specifically designed to fit KTM 500 XCF-W models from 2020 to 2022 and Husqvarna FE501 models from 2020 to 2023. Crafted from a proprietary blend of aerospace-grade titanium, this system offers exceptional strength and reduced weight, enhancing your bike's agility and responsiveness. The blue anodized titanium muffler, complemented by a carbon end cap, not only provides a sleek aesthetic but also ensures durability and corrosion resistance. Featuring FMF's advanced Resonance Chamber Technology™ both internally and externally, this exhaust maximizes power output and torque across the entire RPM range for improved acceleration and top-end performance. Its innovative design incorporates a shorter overall length, making it less vulnerable to crash damage and allowing for easier handling, especially in challenging terrain. The Factory 4.1 RCT is aligned with Factory Forward Engineering principles, repositioning the muffler closer to the motor to centralize mass and improve bike balance. The Rapid Tuning System (RTS) allows quick and precise adjustments to optimize performance based on riding conditions. Built and manufactured entirely in Southern California, this exhaust system meets all EPA compliance standards, ensuring environmentally responsible operation while delivering top-tier performance. Whether you're racing or trail riding, this system provides massive power gains and enhanced sound quality, making it an essential upgrade for serious riders seeking maximum performance and durability.
Features:
- Proprietary blend of aerospace-grade titanium for lightweight durability
- Blue anodized titanium muffler with carbon end cap for corrosion resistance
- Maximizes power gains throughout the RPM range for improved acceleration
- Incorporates FMF Resonance Chamber Technology™ for optimal airflow
- Shorter overall length reduces crash susceptibility and enhances handling
- Factory Forward Engineering design centralizes mass for better bike balance
- Rapid Tuning System (RTS) allows quick performance adjustments
- Manufactured entirely in Southern California to meet strict quality standards
- EPA compliant for environmentally responsible riding
