Horsepower Inc. (HPi) is a leading American manufacturer of high-performance motorcycle parts, specializing in fuel-injected Harley-Davidson® models. Based in Indianapolis, Indiana, HPi has been injecting horsepower into the V-twin industry since 2002. Their product lineup includes precision-engineered throttle bodies, air cleaners, injectors, exhaust systems, and intake manifolds, all designed to enhance engine performance and efficiency. HPi's exhaust systems are 100% handmade in-house, TIG welded, and feature perforated stainless muffler interiors for improved airflow and a deep, aggressive sound. At Tucker Speed, we proudly offer a selection of HPi products, providing riders with top-quality, American-made components to elevate their Harley-Davidson® motorcycles' power and performance.
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