Stock HP was 190 @ 5,250 RPM, 220 ft/lb @ 2,750 RPM.
The 2003 Ford Mustang's engine produces 190 hp @ 5250 rpm.
Starting with the 2011 Ford Mustang , 3.7 liter V6 , 305 horsepower
A stock 2003 mustang cobra has about 390 - 400 Hp.
That would depend on what year it is , the 2010 Ford Mustang GT is rated at 315 horsepower
The 2009 Ford Mustang's engine produces 210 hp @ 5300 rpm.
The 2010 Ford Mustang's engine produces 210 hp @ 5300 rpm.
The 2001 Ford Mustang's engine produces 193 hp @ 5500 rpm.
The 2012 Ford Mustang's engine produces 305 hp @ 6500 rpm.
The 2011 Ford Mustang's engine produces 305 hp @ 6500 rpm.
The 2002 Ford Mustang's engine produces 190 hp @ 5250 rpm.
The 2006 Ford Mustang's engine produces 210 hp @ 5250 rpm.
The 2013 Ford Mustang's engine produces 305 hp @ 6500 rpm.