Calibrated for working and towing, EconoMind is a fully engineered diesel tuner with an unmatched combination of power, safety and versatility. It delivers load-hauling best gains of +100 hp and +175 lb-ft at the rear wheels, and has six change-on-the-fly power levels. Has exclusive safeguards that honor the engine and powertrain. Pyrometer and boost gauge recommended. All gains measured at the rear wheels, with recommended airflow improvements. Fits 2003-07 Ford 6.0L Gain up to +100 hp/+175 lb-ft at rear wheels;EconoMind Diesel Tuner w/Switch;Temperature limiting control w/opt Temp Limit Kit;Emissions compliant: CARB EO D-161-93 2003-2007 Ford 6.0L