Now that the aftermarket has the keys to the tuning kingdom of modern Fords, we can really see what these machines can deliver with a few mods. A case in point is this 2024 Mustang Dark Horse that rocked the rollers with four digits thanks to a ProCharger P-1X, bigger fuel injectors, and a custom calibration.

“Last week I busted out my laptop to build the ultimate tune file to see just how far this P-1X ProCharged steed could go, with no other mods than the supplied 55-pound injectors and boost-a-pump that came with the blower kit. Erik Radzins, Director of Communications and Calibrations at ProCharger, said.

Erik Radzins, Director of Communications and Calibrations at ProCharger, wanted to see what a stock Dark Horse with little more than a ProCharger P-1X, 55 lb/hr injectors, and a hotter tune could do. The answer was four digits before it ran out of fuel.

The result of that carefully calibrated combination was an impressive 1,014.80 horsepower and 739.51 lb-ft of torque at the rear wheels.

“Could it make it more even in this configuration?” Radzins added. “Absolutely! There’s another 20-plus horsepower, easy, if I opened up the cylinder pressure limits in the calibration. Or, I could have done a ‘colder’ pull than it being full temp and gained some…”

Burning E30 fuel spiked with a “a few gallons of 6-year-old race gas,” the P-1X boosted Dark Horse put down an impressive 1,014.80 horsepower and 739.51 lb-ft of torque at the rear wheels.

At that point, he had pushed the factory fuel system as far as safely possible, so the next move is a fuel system upgrade and a hotter calibration to see what the Dark Horse-spec Gen 4 Coyote 5.0-liter can really do spinning those Predator-sourced rods at full boogie.