Complex sentence: Bo and Luke are driving a car they borrowed from Cooter Davenport, who, unfortunatley was running moonshine for Boss Hogg, and if the boys get caught with it, they could be charged with violating their probation.
Split into simpler sentences: Bo and Luke are driving a car they borrowed from Cooter Davenport, who was running moonshine for Boss Hogg. If they get caught with it, they could be charged with violating their probation.