The FMF Racing Powercore 4 HEX 045666 delivers premium, race-inspired performance for demanding riders seeking value without compromise. Engineered to enhance overall power and torque, this slip-on muffler combines robust stainless steel and aluminium construction with innovative internal architecture for maximum exhaust flow. With built-in versatility and a removable spark arrestor, the Powercore 4 HEX is a dependable upgrade for off-road enthusiasts looking to optimise their bike’s potential.

Features

• Designed for significant increases in power and torque


• Durable construction from stainless steel and aluminium


• Space age internal packing ensures extended muffler longevity


• Hi-Flo core enhances internal flow and exhaust evacuation


• Removable spark arrestor included for versatility


• Race-inspired design at an economical price


• Notice: Closed course use only

Specifications

• Item ID: 045666


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe Material: Stainless Steel


• Endcap Material: Stainless Steel


• Spark Arrestor: Screen Insert (included)


• Quiet Insert: Sold separately


• Weight: 7.1 lbs


• CARB Warning: No

Vehicle Fitment

Beta

• 350RR (2020–2025)


• 390RR (2020–2025)


• 430RR (2020–2025)


• 480RR (2020–2025)