Watch This Dodge Challenger SRT® Hellcat Get Boosted to 1,000-HP

For some people, 707 horsepower just isn’t enough. Hennessey transformed this Dodge Challenger SRT® Hellcat’s 707-horsepower, 6.2L supercharged V8 engine to put out a whopping 1,000 horsepower. With new long tube headers, high-flow catalytic converters and fuel injectors, a new 4.5L supercharger system, and a few more key parts, this modified SRT Hellcat screams a little louder.