Vermont Tuning VTuner -Saab 9-3 Aero / Turbo X 2006-2010 2.8T Increase the Saab 9-3 Aero or Turbo X to 320 horsepower output! Installs in minutes - Updates via internet Reversible - Switch back to the OEM program at the press of a button Internal 8 megabyte memory stores original and tuned files Read/Clear Diagnostic Codes and record vital engine performance parameters