The "High Roller" powertrain package produces 777 horsepower. Use mouse scroll wheel over image or pinch-to-zoom on touch devices. You can also click and drag around on image. Park it 2 2 Follow 2015 Roush RS3 TrakPak Mustang Parked to SEMA 2014 by Motoroso 777 Horspower, "High Roller" drivetrain package. Vehicle Info: 2015 Ford Mustang Keywords Ford Mustang SEMA Roush TrakPak Sign up to add your own keywords More from this Garage: More from this Profile: Project Motoroso Mustang Project Motoroso F-150 Project Motoroso M4