Audio problem: When the boys are in the club, as the music comes on just before they start dancing to their song, we hear Dustin say, "I don't like this song", but his mouth movements don't match that sentence.
Audio problem: When the cops get into the gun shop to buy some weapons you see a police officer on the left loading a M4 (or checking something) but you never hear the sound of this action.
Audio problem: During the girls' follow-up discussion after Tracy has sex with Ravi, Evie laughs and says, "What? We didn't go over that one." However, her lips aren't moving when she speaks the second sentence; the second part was obviously dubbed in later.