Who we are

Here at The Horsepower Factory, we are a locally owned business in Henderson, TN. Our mission is to supply EFI installation services and tuning to everyone from the local hotrodder to the Top Sportsman racer and all the way down to anyone just wanting to improve drivability and performance. We specialize in Holley EFI, Fast EFI, custom tuning services for All stand-alone EFI systems and GM LS/LT platforms.