FMF Powercore 4 Muffler 044448 1821-1028 Ageless Pullover Hoodie Internal toe box reinforcement layered

Internal toe box reinforcement layered under the microfiber

for materials

testing and manufacturing technologies to improve dependability

Perfect for use with the new Harley-Davidson auto tuner Stock H-D mufflers will not work with this head pipe because of the stock muffler’s internal construction

Polyester moisture performance material

FMF Powercore 4 Muffler 044448 1821-1028 Ageless Pullover Hoodie Internal toe box reinforcement layeredDeveloped 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 end caps make for the perfect balance of performance and strength Removable spark arrestor included