Overview
Built for riders chasing podiums, the FMF Factory 4.1 RCT Titanium Slip-On exhaust transforms your 2022–2024 Honda CRF250R, RX, or RWE into a race-ready machine. With FMF’s Resonance Chamber Technology™ and a compact design that centralizes weight, it boosts power, sharpens throttle response, and cuts weight without sacrificing durability.
Key Features
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Proven Power Gains: Boosts horsepower and torque throughout the entire rev range.
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Lightweight Titanium Build: Made from aerospace-grade titanium with a carbon end cap—only 3.5 lbs total.
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Resonance Chamber Technology™: Improves performance and reduces sound without compromising power.
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Compact & Crash-Resistant: Shorter muffler design minimizes crash damage and enhances balance.
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Factory Forward Engineering: Moves muffler closer to the engine for better mass centralization and handling.
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Rapid Tuning System: Quickly swap inserts to fine-tune noise levels and performance.
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Built in the USA: 100% manufactured in FMF’s Southern California facility.
Specifications
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Fitment: Honda CRF250R / RX (2022–2024)
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Type: Slip-On
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Construction: Titanium with blue anodized finish
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End Cap: Carbon fiber
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Spark Arrestor: Screen insert included
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Quiet Insert: 94 dB insert included
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Weight: 3.5 lbs
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Use: Closed Course Only
From local motos to national rounds, the FMF 4.1 RCT delivers factory-level power, weight savings, and FMF's signature quality.