FMF Powercore 4 Muffler 041276 1821-0665 Split Skull Fuel Door Replicate the traditional flack track

Replicate the traditional flack track look

designed to stabilize grip surface

Perforated thumb and side palm reinforcement patches for durability

Increased weight (3/4 Ib) over stock plates adds flywheel effect

FMF Powercore 4 Muffler 041276 1821-0665 Split Skull Fuel Door Replicate the traditional flack trackDeveloped 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