Factory Fatty 021055 YAMAHA-YZ250-1987 73% Cotton / 13% Poly

73% Cotton / 13% Poly 10% Spandex / 4% Spandex

It shares many of the same characteristics with its’ craftsmanship and material quality

FMF Racing's Tru-Flo stamping process ensures a perfect fit and optimum performance

This spark arrestor comes with a kit of hardware including a mounting bracket

-Use with FMF or Stock OEM Header

Factory Fatty 021055 YAMAHA-YZ250-1987 73% Cotton / 13% PolyThe Factory Fatty is reminiscent of the works or cone pipe once used by Factory Teams. It shares many of the same characteristics with its craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low end, more mid, and increased over rev. No matter what type of riding you do, the Fatty has the benefits youre looking for. Lighter 20 gauge steel used for