SERVICES
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Dyno Tuning and Diagnostics, Reworked Throttle Bodies

When performance counts, Horsepower Inc. (HPI) is your only choice for Harley-Davidson V-twin injection.  We design and manufacture a wide variety of throttle bodies, intakes and air cleaners to complete your EFI build.  Our team of employees is here to assist you with your EFI build.  We're available for technical assistance and performance recommendations.  We're also here to recommend performance products suited for any build.



Harley-Davidson is a registered trademark and is used for reference only.