630HP Complete Systems Complete, fully calibrated supercharging systems are available for the 2015 5.0L Mustang GT, featuring the V-3 Si centrifugal supercharger with air-to-air charge cooler. The complete system will boost your stock 2015 GT to 630 HP and 483 lb/ft torque with 7.5-8.5 PSI from the V-3 supercharger at the factory redline.