when instaling an fmu on my fuel system on my 99 eclipse nt what size fmu do you guys recomend? and is there anything in my fuel rail that i need to modify or remove . and i was looing at a fuel line break down on my fuel system and would it be best to run a new return line all the way to the tank ? and i also read something about disconect the vac line to the stock fpr is this true also ? sorry so many questions just wanna make sure everything works properly