Charger Hellcat HPE850 Upgrade

HPE850 Upgrade

Available for the 2015 -2020 Dodge Charger SRT Hellcat.


• 852 bhp @ 6,200 rpm*
• 845 lb-ft torque @ 4,200 rpm


HPE850 Upgrade

• Upgraded tuning software
• High flow air induction system
• Lower pulley upgrade (increases boost to 14 psi)
• Professional installation
• All necessary gaskets and fluids
• Chassis dyno testing and tuning
• Hennessey embroidered head rests
• Exterior Hennessey emblem
• Exterior HPE850 emblems
• Serial numbered dash plaque
• Serial numbered plaque in engine compartment
• Call HPE for build time and scheduling


* Estimated power ratings at the engine.  Actual power will be measured at the rear wheels, before and after the upgrades are installed and tuned.  Rear wheel horsepower and torque figures are approximately 15-20% lower than the factory published power figures which are measured at the crankshaft on an engine dyno.

Looking for more information? Contact a Performance Consultant:

PLANNING AN UPGRADE? Get More Information About Hennessey Upgrades Available for Your Car!