Board Thread:Theories and Speculation/@comment-34661853-20181111160651/@comment-32685487-20190109204625

That only proves that it is not the chakra as the source for them being able to sense each other, but something else that was done to Naruto and Sasuke by Hagoromo. Thank you. So they do not have Hagoromo's chakra, they have their own SPChakra and something else not explained is the reason they are able to sense each other like that.