2006 Ford mustang gt roush Source Source Source Source Source Source Source Source Source Source Read Also: 2006 Ford mustang gt roush stage 3 2006 Ford mustang gt roush stage 2 1 2006 Ford mustang roush stage 2006 Ford mustang roush stage 2 2006 Ford mustang roush stage 3 specs 2006 Ford mustang roush stage 1 horsepower