The FMF Racing Powercore 4 HEX 042310 slip-on exhaust delivers race-inspired gains in torque and horsepower while maintaining a price point ideal for riders seeking performance and value. Engineered with durable stainless steel and aluminium, this muffler incorporates advanced Hi-Flo technology and enhanced internal packing for notable longevity and consistent exhaust flow, resulting in superior engine output and throttle response. An included removable spark arrestor extends versatility for closed-course use.
Features

Notable increase in overall power and torque
Durable stainless steel and aluminium construction ensures long service life
Space Age internal packing material for enhanced longevity
Hi-Flo technology within the core’s internal shape optimises exhaust flow
Enhanced sonic evacuation for higher flow and increased output
Removable spark arrestor included
Lightweight slip-on design for easy installation
Optional quiet insert available (sold separately)
For closed course competition use only

Specifications

Item ID: 042310
Type: Slip-On
Configuration: Single
Construction: Aluminium body
Finish: Natural
Midpipe material: Stainless Steel
Endcap material: Stainless Steel
Spark Arrestor: Screen insert (included)
Carburettor Warning: Not applicable
Quiet Insert: Available separately
Weight: 5.2 lbs

Vehicle Fitment
Kawasaki

KX450F (2012–2015)

The FMF Racing Powercore 4 HEX 042310 slip-on exhaust delivers race-inspired gains in torque and horsepower while maintaining a price point ideal for riders seeking performance and value. Engineered with durable stainless steel and aluminium, this muffler incorporates advanced Hi-Flo technology and enhanced internal packing for notable longevity and consistent exhaust flow, resulting in superior engine output and throttle response. An included removable spark arrestor extends versatility for closed-course use.
Features

Notable increase in overall power and torque
Durable stainless steel and aluminium construction ensures long service life
Space Age internal packing material for enhanced longevity
Hi-Flo technology within the core’s internal shape optimises exhaust flow
Enhanced sonic evacuation for higher flow and increased output
Removable spark arrestor included
Lightweight slip-on design for easy installation
Optional quiet insert available (sold separately)
For closed course competition use only

Specifications

Item ID: 042310
Type: Slip-On
Configuration: Single
Construction: Aluminium body
Finish: Natural
Midpipe material: Stainless Steel
Endcap material: Stainless Steel
Spark Arrestor: Screen insert (included)
Carburettor Warning: Not applicable
Quiet Insert: Available separately
Weight: 5.2 lbs

Vehicle Fitment
Kawasaki

KX450F (2012–2015)

SHOW MORE