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1 exhaust system with the Powerbomb header is FMF's premier exhaust system
Yamaha YZ65 2018 to 2021
High-quality steel tips with durable black-oxide coating
YAMAHA (14-18) YZF 250
Developed over years of testing in professional racing
FMF Powercore 4 Hex Muffler Yamaha YZ250F/X ('19-'23) | 044451 Alpinestars 2024 1 exhaust system with theWhen 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
