FMF PowerCore 4 HEX Slip-On Muffler for Yamaha YZ450F and YZ450FX Models

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 slip-on muffler is engineered to deliver race-inspired performance and durability for offroad enthusiasts. Designed with input from top racing products, this muffler provides an overall increase in horsepower and torque, ensuring your Yamaha YZ450F or YZ450FX performs at its peak during intense riding sessions. Constructed from durable stainless steel and aluminum, it withstands the rigors of offroad environments while maintaining a lightweight profile. The muffler features advanced Space Age internal packing material that enhances longevity and reduces maintenance, making it a reliable upgrade for competitive riding or recreational off-road adventures. Its internal shape utilizes Hi-Flo technology, which optimizes sonic evacuation for higher flow rates, resulting in improved power delivery and acceleration. Additionally, the muffler includes a removable spark arrestor, allowing for versatile use on trails or closed-course events. Compatible with FMF or stock OEM headers, this slip-on system offers straightforward installation and compatibility with a range of Yamaha YZ450F and YZ450FX models from 2018 to 2022, making it an ideal choice for riders seeking enhanced performance without sacrificing durability or affordability.

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 for higher flow and increased power

• Includes removable spark arrestor

• Compatible with FMF or stock OEM headers

Product Type: Exhaust
Exhaust Type: Slip-On Muffler
Model: POWERCORE
Segment: Offroad
Division: Exhaust
Class: Mufflers, Pipes, & Systems
Sub Class: Mufflers, Silencers, Slip Ons

FITMENT:
2018 Yamaha YZ450F
2019 Yamaha WR450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Yamaha YZ450F
2024 Yamaha YZ450FX