FMF Powercore 4 Hex Stainless Steel Muffler | 045521 ATV/UTV Fits CRF/XR50 and most BBR

Fits CRF/XR50 and most BBR swingarms

Super strong18 gauge steel construction makes it GNARLY

With Permanent anti-fog

Let your KLX110 (2010 and newer) or your KLX140/L/G perform it's best

Yamaha YZ250X 2016 to 2018

FMF Powercore 4 Hex Stainless Steel Muffler | 045521 ATV/UTV Fits CRF/XR50 and most BBRWhen 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