FMF 4.1 RCT Titanium Exhaust System - Yamaha YZ250F / FX (2019-2026)

Overview

The FMF Factory 4.1 RCT Titanium Exhaust System is engineered to deliver race-proven power, unmatched weight savings, and cutting-edge design. From the MegaBomb header to the blue anodized titanium muffler with carbon end cap, this full system is all about maximizing performance and minimizing weight. Built 100% in the USA, it's the go-to upgrade for serious riders who want the best from their bike.

Key Features

• Massive Power Gains: Increases horsepower and torque across the full RPM range.
• Full Titanium Construction: Header, midpipe, and muffler are all aerospace-grade titanium for max durability and weight savings.
• MegaBomb Header Included: Delivers enhanced low-end torque and smoother over-rev performance.
• Blue Anodized Finish: Premium factory look with a corrosion-resistant coating.
• Carbon Fiber End Cap: Lightweight and strong, designed for trail and track abuse.
• Factory Forward Engineering: Shorter system keeps the muffler tucked closer to the engine to centralize mass and reduce crash damage.
• RTS (Rapid Tuning System): Quick tuning access for dialing in performance based on conditions.
• Includes Spark Arrestor & Quiet Insert: Trail and race ready right out of the box.
• Made in the USA: Handcrafted in FMF’s Southern California facility.

Specifications

• Item ID: 044457
• Type: Full System
• Configuration: Single
• Construction: Titanium
• Finish: Blue Anodized
• Midpipe: Titanium
• Endcap: Carbon
• Header: Titanium MegaBomb
• Spark Arrestor: Screen Insert (included)
• Quiet Insert: 94dB Insert (included)
• Weight: 10.6 lbs.
• Carb Warning: No

Push your machine to the limit with the FMF Factory 4.1 RCT—built for riders who demand the best.

WARNING: Closed Course Use Only