FMF PowerCore 4 HEX Muffler for Yamaha YZ450F and YZ450FX

When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.

The FMF PowerCore 4 HEX muffler is engineered to deliver race-inspired performance tailored for Yamaha YZ450F and YZ450FX models from 2018 to 2022. Designed with high-quality materials and advanced internal technology, this muffler enhances your motorcycle's power output and torque while maintaining durability for rugged off-road conditions. Constructed from stainless steel and aluminum, the PowerCore 4 HEX offers a lightweight yet robust build that withstands the demands of competitive riding.
Featuring Space Age internal packing material, this muffler ensures maximum longevity and consistent performance over time. The internal shape utilizes Hi-Flo technology, optimizing airflow for superior sonic evacuation, which translates into higher flow rates and increased power. The muffler is compatible with FMF or stock OEM headers, providing flexibility for various setups. An included removable spark arrestor allows for versatile use, whether on trail or track.
Designed for easy installation and reliable operation, the PowerCore 4 HEX is an ideal upgrade for riders seeking improved performance without sacrificing durability or affordability. Its race-inspired design and engineering make it a popular choice among motocross enthusiasts looking to maximize their bike's capabilities while maintaining compliance with local regulations. Invest in the FMF PowerCore 4 HEX muffler to experience enhanced power, durability, and a performance edge in every ride.

Features:

• Overall increase in power and torque

• Durable stainless steel and aluminum construction

• Space Age internal packing material for maximum longevity

• Internal shape of core uses Hi-Flo technology

• Enhanced sonic evacuation provides for higher flow and increased power

• Includes removable spark arrestor

• Can be used with FMF or Stock OEM Header

Fits,
Yamaha WR450F 2019
Yamaha YZ450F 2018
Yamaha YZ450F 2019
Yamaha YZ450F 2020
Yamaha YZ450F 2021
Yamaha YZ450F 2022
Yamaha YZ450F 2023
Yamaha YZ450F 2024
Yamaha YZ450FX 2019
Yamaha YZ450FX 2020
Yamaha YZ450FX 2021
Yamaha YZ450FX 2022
Yamaha YZ450FX 2023
Yamaha YZ450FX 2024