John remembers when cars had true dual exhaust systems. He wonders if today's two-tailpipe cars have any advantages over the single tailpipe variety. Car Talk's explanation here.
UPDATE (Aug. 26, 2015): Today, the Detroit News has a story citing unnamed sources that suggest Ford wants to build a Ranger at the Michigan Assembly Plant in Wayne, MI in 2018. Lyndon Johnson gets the hat tip on this story.