The Challenger SRT® Demon is a high-performance variant of the Dodge Challenger, designed for straight-line speed and drag racing. Here's a quick overview:

### Key Features:
- **Engine**: 6.2L Supercharged HEMI® V8 engine
- **Horsepower**: 840 hp with 100-octane fuel
- **Torque**: 770 lb-ft
- **Acceleration**: 0-60 mph in 2.3 seconds, making it one of the fastest production cars in the world
- **Quarter Mile**: Certified by the NHRA to run the quarter mile in 9.65 seconds at 140 mph
- **Weight**: The car features a wide array of weight-reduction measures, making it lighter than the standard Challenger.

### Special Features:
- **Drag Mode**: Optimizes the suspension for maximum weight transfer and traction.
- **TransBrake**: A drag racing feature that helps improve launch times.
- **Air Grabber® Hood**: The largest functional hood scoop (45.2 square inches) for more airflow to the engine.
- **Street-legal drag radial tires**: Specifically designed for the Demon by Nitto.

The Challenger SRT® Demon was produced in limited numbers, making it a highly sought-after car for collectors and enthusiasts. It's not just about straight-line speed; it's an engineering marvel designed to dominate the drag strip while still being street-legal.