Downloaded files name “RM’ or ‘product code’

hey . I need some help about downloaded file by navifirm .
I download file throw navifirm by products code like 983930
Now I change folder name to RM like RM-450 . And add RM folder path on ATF directory
Now my question which way easy to download and save folder for stop duplicate download .
Mean can ATF box browse file path by product code instead of RM folder name