Hennessey Performance Engineer has shared a video showing the twin-turbocharged V-8 in the Demon 1700 making 1,700 hp in dyno ...

The owner of this 2016 Cadillac CTS-V was not satisfied with the stock output of his sedan, so he took it to a tuner in Texas ...

'What a Joke': Trea Turner, Nick Castellanos React to Jacob Misiorowski All-Star Nod Netflix might have another Suits-like ...

Hennessey’s 1,000-HP Cadillac Escalade-V Is Back To Slay Supercars American tuning firm Hennessey is back with the performance SUV that Europeans can’t match.

Republicans introduce last-minute industry ‘killer’ tax on solar and wind in spending bill ‘Finance makes me break out in ...

Hennessey Performance really doesn’t believe in leaving well enough alone. The Texas shop has managed to take Dodge’s ferocious Challenger SRT Demon 170 to new heights.

About a month ago, the Hennessey Performance team got an order to upgrade a stock Cadillac CT5-V Blackwing into one of their ...

Hennessey Performance really doesn’t believe in leaving well enough alone. The Texas shop has managed to take Dodge’s ferocious Challenger SRT Demon 170 to new heights. Its souped-up take on the ...

Hennessey says that when a Challenger Demon 170 is fitted with its new 1,700 hp V8, the car should be able to rocket down the quarter-mile in just 7.9 seconds at upwards of 180 mph (289 km/h).

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