FMF Factory Fatty

FMF GOLD SERIES PIPES The most copied expansion chamber in the world All Gold Series pipes are computer designed and dyno tested to focus power gains where each machine needs it most Every pipe goes through the Tru-Flo stamping process to ensure quality performance and optimum fit Different pipes for selected models allow fine-tuning of a bike’s powerband; Fatty pipes offer better bottom and top power; Gnarly improves low- to midpower with a little less on top than stock    GOLD SERIES FATTY™ PIPES Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit and optimum performance Constructed of strong 19-gauge steel with a nickel-plated finish