Factory 4.1 RCT Exhaust Silencer 22-24 Honda CRF 250 R RX - FMF 041610

FMF Racing Factory 4.1 RCT Exhaust Silencer

The FMF Racing Factory 4.1 RCT Stainless Slip-On exhaust system is engineered to optimize exhaust flow and performance using advanced Resonance Chamber Technology™ both internally and externally. Its innovative design features a reduced overall length for enhanced durability and improved crash resistance. The Factory Forward Engineering centralizes mass by positioning the muffler closer to the engine, contributing to better handling and maneuverability.

Precision-manufactured in Southern California from aerospace-grade materials, this slip-on delivers significant power gains across the entire RPM range and offers substantial weight savings compared to stock exhaust systems. It includes a rapid tuning system for easy adjustments, allowing riders to fine-tune their machine's performance.

Key Features:

• Incorporates FMF Resonance Chamber Technology™ for enhanced performance.
• Shorter muffler length reduces the risk of crash damage and optimizes weight distribution.
• Constructed using aerospace-grade materials manufactured to FMF's stringent specifications.
• Provides massive power gains across the RPM range.
• Offers substantial weight savings compared to stock exhaust systems.
• Features a Rapid Tuning System (RTS) for quick and simple performance adjustments.
• Equipped with a natural aluminum muffler and a carbon fiber end cap for a premium look and feel.
• Includes a screen-type spark arrestor to prevent sparks and a 94dB quiet insert for noise reduction.
• Designed for closed course competition use only.

Specifications:

• Type: Slip-On Exhaust System
• Configuration: Single muffler
• Muffler Construction: Aluminum
• Muffler Finish: Natural
• Midpipe Material: Stainless Steel
• Endcap Material: Carbon Fiber
• Spark Arrestor: Screen insert included
• Quiet Insert: 94dB insert included