FMF Racing PowerCore 4 Kawasaki Performance Exhaust, Part 042387

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.

-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.

Notice:CARB restricted item; For Closed Course Use Only

Upgrade the sound and performance character of your Kawasaki motorcycle with the FMF Racing PowerCore 4 performance exhaust. Designed for riders seeking a dependable aftermarket replacement or performance-oriented exhaust solution, this system combines FMF Racing’s established off-road experience with a practical design intended for demanding riding conditions. The PowerCore 4 name is recognized by powersports enthusiasts looking for responsive exhaust performance and a distinctive FMF Racing sound.
The FMF Racing PowerCore 4 Kawasaki exhaust is identified by part number 042387 and is designed for compatible Kawasaki applications. Its performance-focused construction supports improved exhaust flow compared with a restrictive original-equipment system, helping the engine deliver a more responsive feel when accelerating and riding through varied terrain. Installation should be completed using the manufacturer’s application information and the motorcycle’s service procedures to confirm