If you're looking for a four-figure horsepower number for your Cadillac CTS-V, then great news. Hennessey Performance has modified the CTS-V's 6.2L supercharged V8. Because 640 hp isn't enough. The modifications list is long. A high flow supercharger, fabricated intake, custom camshaft, ported...

Hennessey Performance is happy to build you a stroked and supercharged Cadillac Escalade that pumps out a massive 800 hp. That's thanks to 10 pounds of boost from a 2.9L blower, an air to water intercooler, and a V8 engine that's been stroked from 6.2 to 6.8L. The Hennessey Escalade HPE800...

Hennessey's latest creation is built to cast out the demon. The American tuner isn't even waiting for Dodge to properly unveil the Challenger SRT Demon before introducing The Exorcist. Based on the 2017 Chevrolet Camaro ZL1, power from the V8 engine has been increased to a ridiculous...