FMF Racing Factory 4.1 RCT Exhaust System for Kawasaki — 042411

The Factory 4.1 RCT uses FMF’s Resonance Chamber Technology to optimize airflow, delivering massive power gains across the RPM range while reducing weight. Its shorter overall length is designed to be less susceptible to crash damage and complements Factory Forward Engineering by moving the muffler closer to the motor to centralize mass.

Constructed from aerospace-grade materials and manufactured 100% in FMF’s Southern California factory, this system features a titanium alloy blend and a Natural Aluminum muffler with a Carbon End Cap for durability and a distinct, aggressive look.

Performance is enhanced through optimized internal and external chamber design and FMF’s RTS (Rapid Tuning System), maximizing horsepower and torque while trimming weight. The Factory 4.1 RCT is engineered for precision fit and easy installation, and it includes all necessary components for a straightforward, race-ready upgrade.

Compatible with Kawasaki models requiring part number 042411. This exhaust delivers a robust, purposeful sound and improved ride feel, making it an ideal upgrade for competitive riders and serious hobbyists seeking durability and reliable performance gains.

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's performance with the FMF Racing Factory 4.1 RCT exhaust system. Designed for durability and optimized for racing, this exhaust offers improved power delivery and sound quality. Constructed with high-quality materials, it features advanced technology to maximize airflow and reduce weight, providing a significant upgrade over stock systems. The FMF Factory 4.1 RCT is engineered for precision fit and easy installation, making it an excellent choice for enthusiasts seeking reliable performance enhancements.
This exhaust system includes all necessary components for a straightforward installation, ensuring your Kawasaki is race-ready in minimal time. Its sleek design not only boosts horsepower but also adds an aggressive aesthetic to your bike. Whether you're a competitive rider or a serious hobbyist, the FMF Factory 4.1 RCT is tailored to meet demanding performance standards and durability expectations. Trust FMF Racing’s reputation for quality and innovation to elevate your motorcycle experience.Compatible with Kawasaki models requiring part number 042411, this exhaust system is a top-tier upgrade for those looking to maximize their bike’s potential and reliability.

Features:

• High-performance exhaust system designed for Kawasaki motorcycles

• Constructed with durable materials for increased longevity

• Optimized airflow for improved horsepower and torque

• Lightweight design to reduce overall bike weight

• Easy installation with precision fit for seamless integration