Richard Petty boosts Ford Mustangs to 727 horsepower

A new Richard Petty King edition Ford Mustang.
SUPPLIED

A new Richard Petty King edition Ford Mustang.

Ford's Mustang fell behind in the horsepower race against rivals Dodge Challenger and Charger, but now it's pulling out its secret weapon in the battle for muscle-car supremacy: Richard Petty.

The Nascar racing legend has an aftermarket performance shop that is boosting the horsepower of the Mustang GT from 435 to as much as 727, easily besting the factory-produced 707-horsepower Challenger and Charger Hellcats of Dodge.

The Mustangs will be sold through Ford dealers and will be fully backed by Ford's warranty.

A new Richard Petty King edition Ford Mustang.
SUPPLIED

A new Richard Petty King edition Ford Mustang.

"These new King edition Mustangs are pretty much the way I'd build my own," says Petty in a statement issued by Ford.

"They are just great fun to drive and have a signature single exhaust. With the new paint on the Premier edition, that's how you know we built it. They look pretty sharp."

To get such an astounding surge in horsepower, Petty's Garage, as the aftermarket converter is known, takes a number of steps. It adds a Ford Performance supercharger to the stock 5-litre V8 engine, which alone boosts horsepower to 670. Then it adds custom engine calibration, a cold-air intake and a MagnaFlow exhaust system.

To handle the extra power, the car also comes with new half shafts, sway bars and a rear axle upgrade. There are also custom, wider tyres front and rear.

No word on whether it will be available in New Zealand but in the US, the King Edition is priced at US$67,495 (NZ$99,463). The King Premier, which beefs up the brakes and adds more modifications, goes for US$90,495 (NZ$133,356).

The cars will be unveiled at the 2015 SEMA Show in Las Vegas from November 3-6.

-USA Today

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