75lbs injectors delphi part # 17113742

I found a good deal on a set of 75lbs injectors delphi and I am considering buying them but first I want to know if they will work. Right now I have a turbo tweak chip and I know I can get it tuned for the 75lbs but I was told I will need to modify my ECM because they are low impedance injectors. Is that true, will i have to mod my ECM? Any information will help because if I can save the $150 and buy the delphi brand instead of the 60lbs turbotweak ones that would be awesome.