top of page



** Please allow a minimum of 6-10 days from ship date on new orders.  We are not Amazon, we are a small business, and each order is manually pulled, assembled, packaged in-house.  Exhaust lead times are a minimum of 18-24 weeks depending on the model and the current amount on order.  THANK YOU FOR CHOOSING HPi!**


When performance counts, Horsepower Inc. (HPi) is your only choice for Harley-Davidson® v-twin fuel injection.  We design and manufacture a wide variety of Throttle Bodies, Air Cleaners, Injectors, Exhausts, Performance Products and Replacement Performance Products to complete your EFI build.  We are also authorized distributors for all popular Performance Partners in the industry enabling us to have all the top quality parts available.  

Our team of employees are here to assist you.  We're available for technical assistance and performance recommendations.

Order direct through Horsepower Inc. via telephone, (317) 757-8668 or use the Find A Dealer page to find a dealer near you.

Orders shipping outside of the U.S. can email with part number desired, and EXACT shipping address with phone number also to for a shipping Quote.  If you are International, and you place the order online, you will be charged the flat shipping rate, and then sent an additional money request for the difference in additional shipping fees to your Country.            

bottom of page