It's a powerful send off. As the automotive industry witnesses the final chapter of the Hellcat-powered Ram 1500 TRX, Hennessey Performance Engineering gears up to bid farewell in grand style.

The VelociRaptoR 1000 offers roughly 1,028 horsepower and rocketing to 60 mph in 3.1 seconds. Hennessey upgrades include ... alongside the Ram TRX Mammoth 1000 and GMC Sierra Goliath 650.

Hennessey Performance Engineering is taking engine output to ludicrous levels with its 1,000-horsepower tune for the 2016 Cadillac CTS-V. The key to the upgrade is dropping he V8's supercharger ...

Hennessey Performance's HPE1000 package for the 2016 Chevy Camaro SS adds a supercharged and strokes the engine to 6.8 liters to make 1,000 hp. If the 455-horsepower 2016 Chevrolet Camaro SS isn't ...