FMF Factory 4.1 RCT Exhaust System with Megabomb for Yamaha YFZ450R

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.

The FMF Factory 4.1 RCT exhaust system with Megabomb is engineered for high performance and durability on Yamaha YFZ450R models from 2009 to 2018. Featuring advanced FMF Resonance Chamber Technology™, this system delivers massive power gains throughout the RPM range, significantly enhancing your ATV's acceleration and top-end speed. Crafted from aerospace-grade titanium, it offers exceptional weight savings without sacrificing strength, providing a competitive edge on the trail or track. The shorter overall length reduces vulnerability to crash damage and helps to centralize mass by moving the muffler closer to the engine, resulting in improved handling and balance.

Manufactured entirely at FMF's Southern California facility, this system meets strict quality standards and incorporates the latest in tuning technology. The innovative Rapid Tuning System (RTS) allows for quick and precise adjustments, ensuring optimal performance for various riding conditions. The proprietary alloy blend used in the titanium construction guarantees high corrosion resistance and longevity, making it a reliable component for demanding riders. Please note this exhaust system is designed for race use only in California and is not legal for use on pollution-controlled vehicles in that state, though a waiver is available.

Installation is straightforward, and the system's compact design complements the Yamaha YFZ450R's chassis, providing a sleek, race-ready appearance. Whether you're a competitive racer or an enthusiast looking to maximize your ATV's performance, the FMF Factory 4.1 RCT offers a significant upgrade over stock exhaust systems, combining advanced technology, lightweight construction, and enhanced power output for a superior riding experience.

Features:

• Massive power gains throughout the RPM range

• Significant weight savings from aerospace-grade titanium

• New Rapid Tuning System (RTS) for quick adjustments

• Constructed with proprietary blend of high-quality titanium alloy

• Shorter length reduces crash damage and improves handling

• Designed for Yamaha YFZ450R models from 2009 to 2018

• Made in the USA at FMF's Southern California facility

• Not legal for street use in California; race use only

Fits,
Yamaha YFZ450R 2009
Yamaha YFZ450R 2010
Yamaha YFZ450R 2011
Yamaha YFZ450R 2012
Yamaha YFZ450R 2013
Yamaha YFZ450R 2014
Yamaha YFZ450R 2015
Yamaha YFZ450R 2016
Yamaha YFZ450R 2017
Yamaha YFZ450R 2018
Yamaha YFZ450R 2019
Yamaha YFZ450R 2020
Yamaha YFZ450R 2021
Yamaha YFZ450R 2022