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Power Increase Search

The most detailed tuning search on the market. Far more than power figures: the exact OBD cable for your vehicle, the tool we recommend, and every remap available.

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  • EGR · DPF · AdBlue off

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Harley Davidson Fat Boy tuning

5 tuning configurations for the Harley Davidson Fat Boy. Select your exact engine to see gains, options and connection details.

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Harley Davidson Fat Boy

Harley Davidson Fat Boy tuning at a glance

Our catalogue covers 5 Harley Davidson Fat Boy engine variants, each with stock and tuned figures sourced from the remap database.

Most popular Harley Davidson Fat Boy engines for remapping

The Harley Davidson Fat Boy range splits into 5 petrol variants. Every figure above comes straight from our vehicle database. Pick your exact engine to see the stage-1 numbers.

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