Even in a salvage yard, some Mustangs hold a few surprises. A heavily damaged fifth-generation Ford Mustang GT convertible recently turned out to be hiding a $7,000 ProCharger P-1SC-1 supercharger system beneath its crumpled hood, a significant performance upgrade that had transformed the car into a serious sleeper.
Extensive Crash Damage
The vehicle, believed to be a 2007 or 2008 model, arrived at the salvage yard with 167,984 miles on the odometer and substantial damage. The driver’s side door was crushed, the rear axle had separated from the suspension entirely, and a piece of plastic trim from what appeared to be a GM vehicle was found lodged in one of its tires, offering a clue about what it may have collided with.
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A Hidden Performance Upgrade
Despite the exterior damage, the story changed once the hood was raised. The car’s 4.6-liter three-valve Modular V8, originally rated at 300 horsepower and 320 lb-ft of torque, had been fitted with ProCharger’s centrifugal supercharger kit, capable of delivering up to 10 pounds of boost and as much as 525 horsepower on pump gas without requiring internal engine modifications.
Kit Specifications
The supercharger system uses billet-aluminum components, an 8-rib drive belt, and one of the largest air-to-air intercoolers available in its class. The kit is a popular bolt-on upgrade capable of producing 11-second quarter-mile times, and select configurations are legal in all 50 states.
An Unusual Platform for the Build
Notably, this particular Mustang was an automatic convertible, an uncommon choice for this kind of performance build. Despite the crash damage, the engine started after a jump and idled with a distinct supercharger whine, running strong despite some visible misfires.
A Second Life for the Parts
The ProCharger kit and other salvageable components are expected to be removed and resold, likely finding a new home in another Mustang build. The find serves as a reminder that even severely damaged vehicles can carry valuable components worth a second look.

