FMF Factory 4.1 RCT Titanium Slip-On Exhaust for Yamaha — 044486

The Factory 4.1 RCT Titanium Slip-On delivers a lighter, better-balanced exhaust path for Yamaha, featuring a blue anodized titanium muffler with a blue carbon fiber end cap and a direct bolt‑on installation.

Built from aerospace-grade materials and manufactured 100% in FMF’s Southern California facility, this slip‑on uses FMF Resonance Chamber Technology both internally and externally to optimize flow and refine the sound. The system includes a hi‑flow core and the Rapid Tuning System (RTS) to enhance throttle response across the RPM range.

• Massive power gains throughout the RPM range
• Shorter overall length, reducing crash damage potential
• Centralizes mass toward the motor under Factory Forward Engineering
• Designed specifically for Yamaha models with easy bolt-on fit

Beyond performance, the Factory 4.1 RCT Slip‑On emphasizes durability and precise engineering, ensuring consistent performance under aggressive riding conditions. If you’re chasing sharper response, a more aggressive exhaust note, and a weight-conscious upgrade, this FMF slip‑on is engineered to elevate your Yamaha’s on‑bike feel and overall performance.

Developed with Championship winning Factory STAR Racing Yamaha, the Factory 4.1 Titanium Systems delivers unmatched power, reduced weight and the signature FMF Factory look.

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 Blue Anodized Titanium Muffler with Blue Carbon Fiber End Cap

Massive Power gains throughout the RPM range

Lightweight design

New RTS (Rapid Tuning System)

Hi-flo performance Core

Improved throttle response

Direct bolt-on installation

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

Upgrade your Yamaha with the FMF Racing Factory 4.1 RCT exhaust system, designed for optimal performance and durability. Crafted from high-quality materials, this exhaust offers improved power delivery and a distinctive sound that enhances your riding experience. The lightweight construction ensures minimal weight addition, allowing for better handling and responsiveness on the trail or track. Engineered for a precise fit, the Factory 4.1 RCT system features advanced technology to maximize exhaust flow and reduce backpressure, resulting in increased horsepower and torque. Whether you're a competitive racer or an avid enthusiast, this system provides the performance enhancements you need to elevate your Yamaha's capabilities. Installation is straightforward, and the durable design ensures longevity even under demanding riding conditions. Invest in the FMF Racing Factory 4.1 RCT exhaust system to unlock your Yamaha's full potential and enjoy a more aggressive, efficient ride.

Features:

• High-performance exhaust system designed for Yamaha models

• Constructed from durable, lightweight materials for optimal handling

• Advanced technology to improve exhaust flow and reduce backpressure

• Enhanced horsepower and torque for increased riding performance

• Easy installation with a precise fit for Yamaha motorcycles