NNNOOOOOO!!!!!!!!
dont listen!!!! you will break your diff or greatly increase the chances of blowing it if you dont do the run in procedure as soon as you can after installed. do you not think there is a reason why ATS, CUSCO, KAAZ, NISMO and others tell you this is what needs to happen??
im sure as shit not spending 1500 bucks to watch it come apart a month later in a fantastic explosion of metal.
RUN YOUR DIFFS IN PROPERLY!!