Hennessey’s engineering team fits GM’s popular 6.2-liter V8 (L87 EcoTec3) with a robust 3.0-liter supercharger, high-flow intake system, high-flow intercooler, and a crankcase ventilation system. Chromoly pushrods are installed, and the engine management software is updated with HPE engine management calibration. Lastly, a stainless-steel cat-back exhaust system (retaining stock exhaust tips) is installed to improve performance and soundtrack.