Dodge’s Challenger and Charger SRT Hellcat fashions rewrote the rule ebook on inexpensive efficiency following their debut nearly a decade in the past, however now their run is about to come back to an finish.

The 2023 mannequin yr is the final for the efficiency duo, as Dodge mum or dad 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 known as the H1000 Final Stand bundle.

The improve is on the market 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. Nevertheless, the Hennesseys obtain their output on common pump gasoline whereas the Demon 170 requires E85. In any other case output drops to 900 hp.

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

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

To make the vehicles stand out, they function a customized rear spoiler, rear diffuser, entrance splitter, and facet skirts all made out of carbon fiber. There’s additionally a Final Stand graphics bundle, 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 value, as there is no 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.