2006 Ford mustang gt horsepower Source Source Source Source Source Source Source Source Source Source Read Also: 2006 Ford mustang v8 horsepower 2006 Ford mustang saleen horsepower 2006 Ford mustang v6 horsepower 2006 Ford mustang horsepower 2006 Ford mustang roush stage 1 horsepower 2006 Ford mustang coupe horsepower