Jack's beard consistently looks like 2-day's growth, except for one little scene inside the bank vault. For the sequence that includes "they didn't come here to arrest us, they came here to kill us." Jack is clearly not sporting the same growth as in neighboring shots of him scoping out the shooters in the parking lot and his sneaking around in the bank. (Possibly the scene needed to be re-written and shot after the Season had already wrapped.)
The police car stolen by Jack and Wayne at the end of the episode is the same car hijacked by Bierko and his men to use as a phony escort in an earlier episode (Same damage to driver's front door). It was supposedly destroyed in the gas plant explosion.