Powercore 4 Hex Exhaust Silencer 19-23 Kawasaki KX 450 F X - FMF 042367

The FMF Racing Powercore 4 HEX (042367) delivers a race-inspired performance boost for discerning off-road riders seeking value without compromise. Designed utilising top-tier engineering, this slip-on muffler increases power and torque while ensuring rugged reliability, making it suitable for both competition and demanding recreational use. Constructed from a blend of stainless steel and aluminium, the Powercore 4 HEX is built for lasting durability and features advanced internal packing materials and Hi-Flo core technology for optimised exhaust flow.

Features

• Notice: For closed course use only


• Slip-on configuration for straightforward installation


• Durable aluminium and stainless steel construction


• Natural finish for a clean, purposeful look


• Integrated stainless steel midpipe and endcap


• Hi-Flo core technology for enhanced flow and power delivery


• Space Age internal packing material maximises longevity


• Removable screen-type spark arrestor included


• Optional quiet insert available (sold separately)


• Weight: 5.2 lbs (2.36 kg)

Specifications

• Type: Slip-On


• Configuration: Single


• Construction: Aluminium body, stainless steel midpipe and endcap


• Finish: Natural


• Spark Arrestor: Screen insert (included)


• Quiet Insert: Available separately


• Weight: 5.2 lbs


• Item ID: 042367


• Carb Warning: No

Vehicle Fitment

Kawasaki

• KX450F (2019–2023)


• KX450X (2019–2023)