The Hennessey H1000 Dodge Challenger Hellcat is an upgraded version of the stock Dodge Challenger Hellcat that produces 1000 horsepower and 948 lb-ft of torque, making it one of the most powerful muscle cars on the market. The stock Dodge Challenger Hellcat comes with a 6.2L V8 engine that produces 717 horsepower and 656 lb-ft of torque. The Hennessey upgrade adds an upgraded supercharger, high-flow catalytic converters, high-flow air induction system, and other performance-enhancing components. The result is a significant increase in power and torque, which translates into improved acceleration, handling, and braking. The Hennessey H1000 Dodge Challenger Hellcat is a great choice for anyone who wants a powerful and menacing muscle car. It offers the best of both worlds: performance and refinement.