FMF PowerCore 4 HEX Muffler 041487 1821-1464 Wheel Spacer Match the rear angle of

Match the rear angle of OEM saddlebags and most OEM rear fenders

Coupled with linear delivery right across the entire rev range

Sizes given are the thread size of the bolt- not the Allen wrench area

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality

FMF PowerCore 4 HEX Muffler 041487 1821-1464 Wheel Spacer Match the rear angle ofOverall 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