Dyno testing are important for a number of reasons. A dyno's ability to gauge a car's

 technicians or tuners to assess the car's performance right now and make necessary changes.

Dyno tests should generally be secure, although sometimes unforeseen events may occur. 

Fortunately, the driver of this Chevrolet Camaro ZL1 was unharmed when he exited the vehicle

gearbox caught fire and detonated during dyno testing. Although the Chevrolet is fully intact,

Performance's YouTube channel, its owner probably had a different type of adrenaline rush.