Dodge’s Challenger and Charger SRT Hellcat fashions rewrote the rule e-book on reasonably priced efficiency following their debut virtually a decade in the past, however now their run is about to return to an finish.

The 2023 mannequin yr is the final for the efficiency duo, as Dodge dad or mum firm Stellantis will stop constructing their supercharged 6.2-liter V-8 engines on the finish of the yr.

Hennessey has been providing 1,000-hp variations of the vehicles for a number of years and the Texas efficiency marque is celebrating the run with a final-edition improve often called the H1000 Final Stand package deal.

The improve is offered for Challenger and Charger SRT Hellcat fashions from the 2021-2023 mannequin years, and manufacturing is proscribed to 50 examples. With 1,000 hp on faucet, the improve delivers efficiency that is simply 25 hp shy of the wild Challenger SRT Demon 170‘s output. Nonetheless, the Hennesseys obtain their output on common pump fuel whereas the Demon 170 requires E85. In any other case output drops to 900 hp.

Quoted efficiency for each Hennesseys embrace a 0-60 mph time of two.8 seconds and a quarter-mile time of 9.9 seconds at 141 mph.

Key modifications embrace a bigger supercharger (non-Redeye fashions solely), a pulley improve, a brand new throttle physique, long-tube headers, high-flow catalytic converters, upgraded gas injectors, and a high-flow consumption. All the modifications are tuned and honed on a chassis dyno to verify all the things works in concord, and every automobile undergoes intensive highway and monitor testing. Hennessey backs its upgrades with a three-year, 36,000-mile restricted guarantee.

To make the vehicles stand out, they characteristic a customized rear spoiler, rear diffuser, entrance splitter, and facet skirts all constituted of carbon fiber. There’s additionally a Final Stand graphics package deal, plus distinctive 20-inch wheels that the customer can order in gloss black or grey. The ultimate contact is a serialized plaque signifying the automobile’s place within the 50-build run.

2023 Hennessey H1000 Final Stand Challenger SRT Hellcat

Pricing for the improve alone begins at $64,950. Prospects supplying a Redeye because the donor get a reduced $54,950 worth, as there isn’t any have to improve the supercharger.

Hennessey additionally has a 1,000-hp sendoff for the current-generation Chevrolet Camaro which bows out after the 2024 mannequin yr.

Whereas Chevy stays quiet on what comes subsequent for the Camaro, Dodge has already confirmed electrical replacements for the void left by the Challenger and Charger. It previewed a type of replacements final yr with its Charger Daytona SRT idea.