FMF Factory 4.1 RCT Aluminium Full Exhaust System - 041604

Unleash the full potential of your machine with the FMF Factory 4.1 RCT Exhaust System. This full system exhaust is engineered for maximum performance and durability, delivering unparalleled power gains across the entire RPM range. Built with premium materials and innovative design, the Factory 4.1 RCT will transform your riding experience.

Description

The FMF Factory 4.1 RCT Exhaust System utilizes patented Resonance Chamber Technology (RCT) to reduce decibels while maximizing power output. Internal ducts optimize exhaust flow for significant power gains throughout the power band. FMF's Factory Forward Engineering centralizes mass, minimizing the risk of damage in the event of a crash. The innovative rear end cap facilitates easy installation of tuning tip inserts or a spark arrestor with the simple removal of four screws. This exhaust system meets AMA and FIM sound requirements and is proudly made in the U.S.A. The muffler body is constructed from lightweight aluminum with a natural finish and a carbon fiber end cap, connected to a durable stainless steel header and mid-pipe.

Features & highlights

• Resonance Chamber Technology (RCT) lowers decibels and maximizes power output.
• Internal ducts optimize exhaust flow for power gains across the entire RPM range.
• Factory Forward Engineering centralizes mass, reducing crash damage potential.
• Innovative end cap enables easy installation of tuning tips or a spark arrestor.
• Meets AMA and FIM sound requirements for competitive racing.
• Includes QuietCore 94 dB insert for sound level adjustability.
• Proudly made in the U.S.A. with premium materials.

Technical specifications

• Brand: FMF
• Product Name: Exhaust System
• Type: Full System
• Design/Configuration: Single Canister
• Muffler Material: Aluminum
• Muffler Color/Finish: Natural
• End Cap Color/Finish: Carbon Fiber
• Pipe Material: Stainless Steel
• Material: Aluminum, Carbon Fiber, Stainless Steel

Important to know

Please note: This exhaust system will not pass 2025 FIM sound regulations.