FMF P Core 4 YFZ450R Exhaust System (2009-2018 Yamaha YFZ450R)

Enhance your Yamaha YFZ450R with the FMF P Core 4 exhaust system, designed specifically for models from 2009 to 2018. This system features a U.S. Forestry approved spark arrestor, ensuring legal compliance for off-road use while maintaining safety standards. The Megamax II reverse cone megaphone design allows for optimal sound and performance, with the flexibility to run open for closed-course racing or with discs for off-road riding. This adaptability makes it suitable for a variety of riding conditions, giving riders the ability to tailor their exhaust to their preferred riding style.

FMF has significantly improved the PC IV controller by creating a modular end cap system, enabling easy tuning and customization. The standard Hi-Flo 2-inch end cap, along with optional 1-3/4-inch end caps, provide smoother power delivery and versatile performance gains. Additionally, the spark arrestor module ensures safety and compliance without sacrificing performance, making it an excellent choice for serious off-road enthusiasts. The system’s design emphasizes durability, ease of installation, and performance enhancement, making it an ideal upgrade for Yamaha YFZ450R owners seeking increased horsepower and optimized exhaust flow.

Constructed with high-quality materials and engineered for precise fitment, the FMF P Core 4 exhaust system offers a substantial boost in power and responsiveness. Whether you’re racing or trail riding, this exhaust system delivers reliable performance and improved throttle response, helping you get the most out of your Yamaha YFZ450R. Please note that this product is for race use only in California and is not legal for use on pollution-controlled vehicles there, with a waiver available for compliance.

Features:

• U.S. Forestry approved spark arrestor for safe off-road operation

• Megamax II reverse cone megaphone design for customizable sound and performance

• Modular end cap system allows for easy tuning with various end caps

• Standard Hi-Flo 2-inch end cap and optional 1-3/4-inch end cap for smooth power delivery

• Includes spark arrestor module for safety and compliance

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