Let the 2015 Mustang horsepower wars begin; Hennessey has dropped its new HPE600 and HPE700 Ford pony car packages with 620hp and 717hp respectively.
The tuner is already taking orders for the two models, both of which are built around the 2015 Mustang GT, with production capped at 500 units a pop for the 2015MY.
With the $14,950 HPE600 you get a 2.3-liter supercharger system, new engine management control and other technical upgrades for the 5.0-liter V8, boosting output from 435hp and 400 lb-ft to 620hp @ 6,600 rpm and 595 lb-ft torque @ 4,400 rpm.
Moving up to the $17,950 HPE700, Hennessey gives the V8 a bigger 2.9L supercharger along with a different air induction, fuel injectors and pump, and ECU with the revised engine producing 717hp @ 6,600 rpm and 632 lb-ft torque @ 4,400 rpm.
While no performance numbers were shared for the first package, Hennessey said that the HPE700 runs to 60mph (96km/h) in 3.6 seconds and completes the quarter mile in 11.2 seconds at 131mph (211km/h).
“This thing is uncaged, absolutely nuts,” said Hennessey partner Don Goldman. ”We’re thrilled to offer a 2015 Mustang that will outperform some of the fastest cars currently offered, at a lower price point.”
Both kits adorn the Mustang GT with special badges and serial number plaques, with Hennessey also offering a $7,450 optional Carbon Aero package comprising a front splitter, side sills and rear lip spoiler, and 19- or 20-inch lightweight alloy wheels priced from $6,950.
Hennessey said it’s currently working on a high-performance upgrade for the 2.3-liter EcoBoost-powered Mustang that will be released in the near future.
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