The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its craftsmanship and material quality
Broadens and smooths 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 you’re looking for
Lighter 20 gauge steel used for the body of the pipe
19 Gauge steel used for the header portion
Hand pounded seams for smooth flow transitions
FITS 2020-2021 Yamaha YZ 125 X, 2005-2021 Yamaha YZ 125
