- 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 KTM motorcycles, including models from 2018 to 2022 such as the 450 SX-F, XC-F, and EXC-F. Crafted from aerospace-grade titanium, this exhaust features a proprietary titanium alloy blend that ensures durability and lightweight construction, contributing to improved handling and maneuverability. The blue anodized titanium muffler with a carbon end cap offers a sleek aesthetic while maintaining strength and heat resistance. The system incorporates FMF's innovative Resonance Chamber Technology™ both internally and externally, optimizing power delivery across the entire RPM range for massive gains in horsepower and torque. Its shorter overall length makes it less susceptible to crash damage and allows for better clearance, which is especially beneficial during aggressive riding or racing conditions. Designed with Factory Forward Engineering principles, this system moves the muffler closer to the motor, centralizing mass for enhanced stability and control. The Rapid Tuning System (RTS) provides quick and easy adjustments, enabling riders to fine-tune their exhaust setup for different terrains and performance needs. Manufactured entirely in Southern California, the FMF Factory 4.1 RCT is a top-tier upgrade for serious motocross and off-road enthusiasts seeking maximum performance and reliability in their exhaust system. Its compliance with EPA standards ensures environmentally responsible operation, making it a suitable choice for competitive and recreational riding alike.
Features:
- Constructed from aerospace-grade titanium for strength and lightweight performance
- Blue anodized titanium muffler with a durable carbon end cap
- Incorporates FMF Resonance Chamber Technology™ for optimal power across RPMs
- Shorter length design reduces crash damage risk and improves clearance
- Factory Forward Engineering moves the muffler closer to the motor for centralized mass
- Rapid Tuning System (RTS) allows quick and precise adjustments
- Massive power gains throughout the entire RPM range
- Fits select KTM models from 2018 to 2022, including SX-F, XC-F, and EXC-F series
