Hennessey Performance knows how to make fast cars even faster, and its latest offering is no different. Check out this clip of a 1,058-horsepower Cadillac CTS-V Wagon putting the power down on the dyno. It’s stupid fast.

The Texas-tuner yanked out Cadillac’s supercharged 6.2L mill in favor of a big 7.0L LS7, but didn’t stop there. Hennessey upgraded the fuel system, heads and cam, then added a pair of huge turbochargers. All that grunt is sent to the rear wheels, accounting for a lightning quick 0-60 sprint of about 2.9 seconds and onto a claimed 242mph top speed (in coupe form). This might just be the quickest way to do the grocery shopping.

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[via Road and Track]