FMF Factory 4.1 RCT Slip-On Muffler Blue Carbon Cap 109dB

Unleash superior performance and sound with the FMF Factory 4.1 RCT Slip-On Muffler. Engineered for enthusiasts seeking optimal power delivery and advanced exhaust technology, this muffler is a game-changer for your motorcycle. Featuring a stylish blue carbon cap, it combines cutting-edge design with race-proven functionality.

Description

The FMF Factory 4.1 RCT Slip-On Muffler is designed to elevate your motorcycle's performance. At its core is FMF's innovative RCT (Resonance Chamber Technology), featuring a patented core shape that effectively lowers decibels while meticulously maintaining maximum power output. This advanced design incorporates internal ducts within the RCT system's chambers, significantly increasing internal volume for improved exhaust flow. The result is tangible power gains delivered smoothly throughout the entire range of power, ensuring a responsive and robust riding experience.

Further enhancing its capabilities, FMF's Factory Forward Engineering centralizes mass, contributing to better handling dynamics and making the muffler less prone to crash damage, offering increased durability. The innovative rear end cap is engineered for convenience, allowing for simple installation of tuning tip inserts or a spark arrestor with the removal of just four screws, providing versatility for various riding conditions. This FMF Factory 4.1 RCT Slip-On Muffler with its distinctive blue carbon cap is compatible with both your motorcycle's stock header and FMF aftermarket headers, offering flexible upgrade paths. It comes complete with a QuietCore 94 dB insert and an integrated spark arrestor, ensuring compliance for both sound-restricted areas and off-road safety. Designed to meet current AMA and FIM sound requirements, please note it will not pass 2025 FIM sound regulations.

Features & Highlights

• RCT (Resonance Chamber Technology): Experience a patented core design that effectively lowers exhaust decibels without compromising maximum power output, delivering a balanced performance.
• Optimized Exhaust Flow & Power: Internal ducts within the RCT system's chambers significantly increase internal volume, leading to improved exhaust flow and substantial power gains across the entire RPM range.
• Factory Forward Engineering: Benefit from FMF's innovative design that centralizes mass for better handling and makes the muffler inherently more resistant to crash damage, ensuring durability on the track or trail.
• User-Friendly End Cap Design: The innovative rear end cap allows for quick and simple installation of tuning tip inserts or a spark arrestor, requiring the removal of just four screws for versatile customization.
• Broad Compatibility: Designed for seamless integration, this slip-on muffler is compatible with both your motorcycle's stock header and FMF aftermarket headers, offering flexible upgrade options.
• Track & Trail Ready: Includes a QuietCore 94 dB insert for sound-restricted areas and a spark arrestor integrated directly into the muffler, ensuring compliance and safety for various riding environments.
• Race-Compliant Acoustics: Engineered to meet current AMA and FIM sound requirements, providing a competitive edge. (Note: Will not pass 2025 FIM sound regulations.)

Technical Specifications

• Brand: FMF
• Model: Factory 4.1 RCT
• Product Type: Slip-On Muffler
• Standard Sound Rating: 109 dB
• End Cap Material: Carbon Fiber
• Finish: Blue Anodized
• Included Accessories: QuietCore 94 dB Insert, Spark Arrestor
• Header Compatibility: Stock or FMF Headers

Important to Know

• Requires a compatible header (stock or FMF) for installation.
• Will not pass 2025 FIM sound regulations.