Powercore 4 042123 KTM-450 SX-F FACTORY EDITION-2021 more low-end

more low-end

-Only US manufacturer to offer dedicated quiet exhaust systems

-Use with FMF or Stock OEM Header

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards

FMF loves 2-strokes

Powercore 4 042123 KTM-450 SX-F FACTORY EDITION-2021 more low-endWhen designing the PowerCore4, 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 wont break the bank. Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Champagne color anodized can Removable spark