In the shoot out at the end, the silencer disappears and reappears multiple times.
After a car crashes through a row of cars and totaling a parking enforcement car, the parking enforcement cop is seen jumping behind a parking enforcement car that is not totaled. He is then seen getting back up in front of his totaled car.
During the party scene at Kilo's house, music is being played. This is supposed to be the late 1970s but instead of using music from that era, modern techno music is heard.
In the 1964 flashback scene where Manny is pulled over by police, one could see the front end of a 5th generation full-size Chevrolet (Impala?) with a hubcap from a 1980-85 Chevy.