FMF Racing Factory 4.1 RCT Exhaust for Kawasaki — Part 042374

Upgrade your Kawasaki with the Factory 4.1 RCT exhaust, built from aerospace-grade materials and manufactured 100% in FMF’s Southern California facility. The muffler is available in natural aluminum with a carbon end cap, delivering a race-ready look and durable performance.

• Massive power gains throughout the RPM range with enhanced exhaust flow for improved horsepower and torque.
• Huge weight savings from lightweight construction to boost throttle response, acceleration, and handling.
• Resonance Chamber Technology (internal and external) for refined exhaust note and optimized engine response.
• New RTS (Rapid Tuning System) for quicker, on-the-fly tuning adjustments to match riding conditions.
• Mass-centralized design: shorter overall length moves the muffler closer to the motor, improving balance and reducing crash vulnerability.
• Durable, high-grade materials crafted to withstand demanding riding environments and long-term performance.
• Precisely engineered for Kawasaki models to ensure a perfect fit and reliable performance with straightforward installation.
• Part number 042374 explicitly associated with this FMF Factory 4.1 RCT system.

Ideal for competitive and recreational riders seeking immediate power delivery, improved throttle response, and a robust, lightweight exhaust solution tailored to Kawasaki platforms.

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.

Enhance your Kawasaki motorcycle's performance with the FMF Racing Factory 4.1 RCT exhaust system. Designed for optimal power delivery and durability, this exhaust features a lightweight construction that reduces overall bike weight while improving acceleration and top-end speed. The FMF Factory 4.1 RCT is engineered with high-quality materials to withstand rigorous riding conditions and provide long-lasting performance. Its advanced design helps improve exhaust flow, resulting in better throttle response and increased horsepower for competitive and recreational riders alike. Installation is straightforward, making it an excellent upgrade for those seeking to maximize their Kawasaki's potential without extensive modifications.

Features:

• Lightweight construction for improved bike agility and handling

• Enhanced exhaust flow for increased horsepower and torque

• Durable materials built to withstand harsh riding environments

• Optimized for Kawasaki models to ensure perfect fit and performance

• Designed to improve throttle response and overall engine efficiency