When Crockett and Tubbs are racing to extract Gina from Mosca, the Ferrari's single side-view mirror is seen on the passenger side several times, indicating in those instances that the footage has been flipped.
The still shot establishing the locale of of "Pascal 'n Pascal", the final restaurant where Frank Mosca takes Gina, shakes erratically right before the transition to the interior scene.
Mosca said his uncle owns a cheesesteak shop in South Philly at Broad and Pine Street. That is not part of the area considered South Philly.