i just bougt a 04 mustang gt it has a bbk x pipe,upper intake and throttle body and high flow a/f,headers ,flowmasters,and it has a nitrous bottle in the trunk but the rst of the kit is missing. does anyone know where i an get the rest of the kit,also how do i deturmine what size fuel injectors i have,and does anyone know what fuel octane should use in this car,and lastly does anyone know where i can download a oweners manual