FMF Powercore 4 Muffler 044101 1831-0084 Diaphragm Clutch Spring 000 rpm and 3

000 rpm and 3

Spring-mounting studs can be placed at 6" or 7" spacing center-to-center

Floorboards are not included

Carbon fiber muffler clamp and heat shield

opens easily with just a quarter-turn of the center of cap

FMF Powercore 4 Muffler 044101 1831-0084 Diaphragm Clutch Spring 000 rpm and 3FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi Flo endcaps make for the perfect balance of performance and strength Removable spark arrestor included