Ford is expanding the appeal of the seventh-generation Mustang with the introduction of the FP800S package, a factory-backed performance upgrade that transforms the standard Mustang GT into an 800-horsepower supercharged muscle car while preserving everyday drivability and full dealership support. During a track evaluation at Michigan International Speedway, TFLnow host Andre put the new package through its paces to determine whether such immense power remains approachable with a six-speed manual transmission.
Ford Custom Garage: Factory Performance Upgrades
The FP800S is part of Ford’s Custom Garage program, which allows customers to purchase comprehensive performance packages directly through authorized dealerships. Unlike traditional aftermarket modifications, the package is fully integrated into the vehicle, can be financed as part of the purchase, and retains Ford’s three-year/36,000-mile factory warranty. The package includes a Whipple supercharger, suspension enhancements, and supporting performance components designed to work seamlessly with the existing Mustang GT platform.
Supercharged 5.0L Coyote V8 Performance
Powering the FP800S is Ford’s naturally aspirated 5.0-liter Coyote V8, upgraded with a sixth-generation Whipple supercharger. While the standard engine produces nearly 500 horsepower, the forced-induction system boosts output to approximately 800 horsepower and 615 lb-ft of torque, with certain exhaust configurations pushing power slightly beyond that figure. A liquid-to-air intercooling system helps keep intake temperatures close to ambient conditions, ensuring consistent performance during extended high-speed driving and improving overall engine efficiency under demanding conditions.
Manual Transmission and Driving Experience
Despite its impressive power figures, the FP800S remains remarkably approachable. The six-speed manual transmission features short, precise gear throws and is paired with a surprisingly light clutch that makes shifting effortless. Ford’s automatic rev-matching system further enhances the driving experience by delivering smooth downshifts, allowing drivers to concentrate on steering and braking rather than mastering advanced shifting techniques. The result is a manual transmission that feels both engaging and accessible.
Handling, Grip, and Track Capability
On the racetrack, the Mustang proves to be far more composed than expected. Responsive steering, strong braking performance, and abundant tire grip inspire confidence through corners, while the upgraded suspension helps keep the chassis stable under heavy acceleration and braking. Rather than feeling unpredictable or difficult to manage, the FP800S delivers its immense performance in a controlled and confidence-inspiring manner, making it suitable for both experienced enthusiasts and drivers stepping into higher-performance vehicles.
Value and Position in the Mustang Lineup
One of the FP800S package’s greatest strengths is its value. Priced at just under $19,000, the upgrade transforms a standard Mustang GT into an 800-horsepower machine while preserving factory support and warranty coverage. Combined with a new Mustang GT, the total investment comes to approximately $75,000, depending on options and trim. Buyers can add the package to various Mustang GT configurations, including coupe or convertible models and vehicles equipped with either the standard suspension or the available MagneRide system.
Conclusion
The FP800S demonstrates Ford’s commitment to preserving the traditional muscle car formula while embracing modern engineering. By combining a supercharged V8, a six-speed manual transmission, factory-backed reliability, and exceptional value, the package delivers supercar-level performance without sacrificing everyday usability. For enthusiasts seeking an engaging, high-performance Mustang that remains practical and fully supported by the manufacturer, the FP800S represents one of the most compelling offerings in today’s performance car market.
Source: TFLnow






