FMF Universal Powercore 4 Spark Arrestor Muffler 040633 1821-1646 Powercore 4/4 SA Exhaust System 504" ID x 1

504" ID x 1

inspection and chain covers

and more than 40% savings in weight over stock

measure approximately 3-1/2" L x 1-1/4" W x 2" D

Mounts almost anywhere using a 5/16" mounting hole

FMF Universal Powercore 4 Spark Arrestor Muffler 040633 1821-1646 Powercore 4/4 SA Exhaust System 504" ID x 1Powercore 4 muffler design for custom 4 stroke applications Developed 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 endcap makes for the perfect balance of performance and strength Comes with assorted mounting hardware for do it yourself applications Removable spark arrestor included