FMF Factory 4.1 RCT Slip-On Exhaust System — 045694

The FMF Factory 4.1 RCT Slip-On Exhaust (045694) delivers massive power gains throughout the RPM range and notable weight savings, while centralizing mass for improved handling. Its shorter overall length makes it less susceptible to crash damage and pairs with FMF’s Factory Forward Engineering—moving the muffler closer to the engine for better mass distribution.

Built from aerospace-grade materials and manufactured 100% in FMF’s Southern California facility, this system features a Natural Aluminum muffler with a Carbon End Cap for a durable, corrosion-resistant finish that looks clean on any bike.

Resonance Chamber Technology (RCT) is integrated both internally and externally to optimize exhaust flow and sound. The update also includes FMF’s RTS (Rapid Tuning System) to support quick on-bike tune adjustments, enhancing throttle response without sacrificing reliability.

Designed for easy installation with compatible mounting points, the 4.1 RCT Slip-On improves power delivery and throttle response while delivering a refined, aggressive exhaust note—making it a preferred upgrade for riders seeking reliable performance gains for racing or recreational riding.

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our Southern California factory.

-Available in Natural Aluminum Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

Upgrade your motorcycle's performance with the FMF Racing Factory 4.1 RCT exhaust system. Designed for optimal power delivery and enhanced sound, this exhaust is a popular choice among riders seeking reliable and high-quality aftermarket components. Crafted with precision, the FMF Factory 4.1 RCT features a durable construction that withstands tough riding conditions while maintaining a lightweight profile for better handling and maneuverability. Its engineered design ensures improved exhaust flow, contributing to increased horsepower and torque across a broad RPM range.
Constructed with high-strength materials, the FMF Factory 4.1 RCT offers long-lasting durability and corrosion resistance. The system's sleek design not only enhances your motorcycle's aesthetic appeal but also ensures easy installation with compatible mounting points. Whether you’re racing or riding for recreation, this exhaust system provides the performance boost and sound quality that serious riders demand.
The FMF Racing Factory 4.1 RCT is an essential upgrade for motorcycle enthusiasts looking to maximize their bike’s potential. Its carefully engineered components are built to meet the rigorous demands of competitive and recreational riding, making it a dependable choice for riders who prioritize performance without sacrificing reliability.

Features:

• Designed for optimal power and torque delivery

• Constructed from high-strength, durable materials

• Engineered for improved exhaust flow and performance

• Lightweight design enhances handling and maneuverability

• Sleek aesthetic with easy installation