FMF Factory Fatty Pipe for Yamaha 1999-2015 YZ250 Colors:Silver 2013 Harley Davidson FXDF Fat

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FMF Factory Fatty Pipe for Yamaha 1999-2015 YZ250 Colors:Silver 2013 Harley Davidson FXDF FatFMF Factory Fatty Pipe for Yamaha 1999 2015 YZ250 The 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