Standard Powercore 4:
When designing the PowerCore 4, FMF looked at their 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.
Hi-Flo modular end cap.
Internal shape of core uses Hi-Flo technology.
Enhanced sonic evacuation provides for higher flow and increased power.
Includes removable (most models) spark arrestor.

FMF Powercore 4 Slip-On Exhaust - 4-Stroke - Mini / Aluminum With Spark Arrestor 041582

Standard Powercore 4:

When designing the PowerCore 4, FMF looked at their 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.
  • Hi-Flo modular end cap.
  • Internal shape of core uses Hi-Flo technology.
  • Enhanced sonic evacuation provides for higher flow and increased power.
  • Includes removable (most models) spark arrestor.

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