Factory Fatty 021055 YAMAHA-YZ250-1987 It shares many of the

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

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards

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

-Use with FMF or Stock OEM Header

Factory Fatty 021055 YAMAHA-YZ250-1987 It shares many of theThe 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