Description
Factory 4.1 RCT Muffler – Anodized Titanium
The FMF Factory 4.1 RCT Muffler, constructed from aerospace-grade anodized titanium, offers exceptional durability and lightweight performance for motocross and off-road applications. Featuring FMF’s Resonance Chamber Technology™, both internally and externally, this muffler significantly enhances power output across the entire RPM range, delivering massive gains in horsepower and torque. Its innovative design reduces overall length, making it less vulnerable to crash damage while improving clearance and handling. The Factory 4.1 RCT is engineered to move the muffler closer to the motor, effectively centralizing mass for improved balance and maneuverability. Manufactured entirely at FMF’s Southern California facility, this muffler exemplifies quality craftsmanship and precise engineering. The inclusion of the Rapid Tuning System (RTS) allows for quick and effortless adjustments to optimize performance for various riding conditions. Overall, the Factory 4.1 RCT provides a perfect balance of power, durability, and weight savings, making it an ideal upgrade for serious riders seeking top-tier exhaust performance.
Features:
- Resonance Chamber Technology™: Enhances power across the RPM range for increased performance
- Aerospace Grade Titanium Construction: Provides extreme durability with significant weight savings
- Shorter Overall Length: Less prone to crash damage and improves clearance
- Factory Forward Engineering Design: Moves muffler closer to the motor to centralize mass
- Rapid Tuning System (RTS): Facilitates quick and easy performance adjustments





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