hello i have a 2002 mustang gt automatic, stock except CAI. i am looking to upgrade it with about $1,000 to spend thinking lt headers, cams, or gears something along those lines maybe?? I'm looking for some more hp and torque not looking to go supercharged or turbo. it is a daily driver the block of the motor has about 5000 miles the body has around 65000 give me some ideas thanks