Hennessey Performance Engineering

John Hennessey, our founder and CEO, made a name for himself in the early 1990s with race-winning vehicle modifications that gained global fame. Pursuing his true passion, John left his small environmental business and aimed his entrepreneurial skills at modifying, tuning, and enhancing high performance cars and trucks. John Hennessey, our founder, and CEO made a name for himself in the early 1990s with race-winning vehicle modifications that gained global fame.

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