In the long chase scene in the 50, Cobretti spins the car around and drives backward, shooting at the pickup truck. As the pickup truck explodes you can clearly see Cobretti's car facing forward in the bottom right hand of the screen, but in the next shot Cobretti spins his car back around to face forward once again.
During the grocery store robbery, a SWAT team member sets up on the roof of a nearby store with an HK94 submachinegun. The relatively short 100 meter effective range of its 9mm round would make his position completely useless in that situation.
When Cobra is riding in the back of the pick-up in which Ingrid is driving it smashes through a burning roadblock and the pick-up's hood is shown flying through the air. Later the hood is still attached.
When the first guy is in the grocery store, he racks his gun and points at a man and tells him to get up and leave. As he walks away the shotgun guy racks again. In a pump action shotgun you rack one shell and your ready, rack again and the first shell flies out of the chamber.
After returning from the shoot out at the supermarket, Cobra places his gun on the kitchen table to reload. After taking out new bullets he removes the gun from his pants instead of taking it off the table.
When Ingrid is running toward the foundry, Stalk is chasing her with a shotgun. When Ingrid goes to the security guard, Stalk shoots him with a pistol. When Ingrid runs into the foundry, Stalk chases her, and she has the shotgun again.
When Cobra is chasing Slasher down the alley way, as they approach the end we can very clearly see the rear of Slasher's car. Specifically, the bumper bar is dragging along the pavement. In the next scene, and for the remainder of the car chase for that matter, the bumper bar is attached. At the same time, the car (a 1979 Plymouth Volaré) is seen with a front grille during the alley scene although the passenger side fender was bashed in one scene (in subsequent scenes, the fender is undamaged). The overall condition of the Volaré changes frequently (in some scenes, the car has all of its front lighting missing to one headlight and one park lens).
When Cobretti, his partner, and the girl are leaving the hotel they see Starks run over to a black truck and point in their direction. They run back into their hotel room and we now see Starks run over to the same truck again and point in their direction again.
When Detective Monte and Captain Sears meet Cobra on the top of the parking garage, the lot is empty except for their cars. In the close-up, a silver car appears. Later when they leave the car is gone and the lot is empty again.
In the scene where he bumps the "hispanic gangsters" car to park his car and he argues with them, and tell them "he's bad for their health" he rips the mans white undershirt and a taped lapel mic is clearly visible on the mans chest, and again in a subsequent scene
Near the middle of the movie, Cobretti is chasing Slasher and they both turn into a tight alleyway. When we see them both swerve around the corner and turn into the alleyway, at the far left side of the screen you can see a camera man filming the scene [widescreen.]
When ramming a road block, the truck appears to change from blue to red and back to blue. However, it can be seen from the next shot of the truck spinning out that it is the same blue truck all along; the underside of the hood and the rest of the engine compartment are painted red.
In the sedan/pickup chase, both of Cobra's headlights are shot out at the start with pinpoint accuracy. A minute later as the cars race down the freeway, the holes where Cobra's headlights used to be are filled with black plastic discs.
When Cobretti and the girl are in the 50, he pulls a 180 and drives the car backwards to fire at the brown Ford pick-up. When the truck blows up you can see the log cannon which was used to flip the vehicle over.
The goof item below may give away important plot points.
Crew or equipment visible
When Cobra is having the shoot out, after finding out that the girl they were with was a squealer, there's a part when one man on a bike bursts into the room through the front door, and to the right of him you can see a guy with headphones on, in the bathroom.