Description
FMF Powercore 4 Hex for KTM
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
- Internal shape of core uses Hi-Flo technology
- Enhanced sonic evacuation provides for higher flow and increased power
- Includes removable spark arrestor
- Can be used with FMF or Stock OEM Header
Availability: In stock
Ships: Worldwide
Note: This product is a performance product and is designed for closed course competition use only. By purchasing this product, you understand that the parts, installation, and performance modifications are not emissions or noise compliant and are for closed course competition use only.


