Hellcat Performance Center specializes in building 860-1,000 Horsepower Hellcats. The technicians are specifically trained on the hellcat platform. They are amongst the best Hellcat techs in the industry. Each package has been perfected with extensive R&D on our own shop Hellcats for over 40k miles. Then released to the public and enjoyed by the hundreds of our hellcat customers. This is where these packages have become tried and proven.