Hennessey HPE650 Dodge Challenger Dyno & Track Testing

Hennessey is developing a new package for Chrysler, an HPE650 Challenger SRT8 packed with a 6.4-liter Hemi V8 that promises to put out 650 horses. The Hennessey kit also comes with a TVS2300 supercharger, and upgraded fuel system with high-flow fuel injectors, stainless steel full-length headers and polished cylinder heads.

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