I have a 04 cobra 2.93 upper Metco 4lb lower steeda idler JLT 12inch cai accufab throttle body and plenum dynomax 3 inch cat back Sct xcal-2 what belt do I need? do I need ngk tr6 plugs I just dont want to go and have my car dynoed and find out I need something else. does anyone know if ED...