on my 2004 gt i have mac flowpaths and mac prochamber off road h pipe. next i want to go with a bbk cold air and a bbk 75 mm throttle body. tell me if this is true guys but i heard i would need 26lb injectors or bigger but would i have to have a bigger fuel pump. then i also heard i would have to have a new igintion system with a bigger spark. is this ture or do i need any other mods also. thankx.