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2005 - 2009 Ford Mustang 4.6 3v Phase 1-2 upgrade for 2005-2009 4.6L 3V Mustang GT that is equipped with the ROUSH Phase 1 TVS 2.3L supercharger. Upgrades power from previous 475HP/435 ft-lb to 550HP/500 ft-lb Includes a new bolt-on 80mm supercharger pulley, 6-rib serpentine belt, dual fuel pump upgrade, and re-calibration Vehicles PCM is required to be re-calibrated with this upgrade To be dow...
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