Today at RPM Army we have a pretty slick 10 second 451 Plymouth Duster Drag Racing at National Trail Raceway for their annual Mopar Nationals event. The big cubes underneath this Duster really sound good. Mystery Performance Part Recommendation: amzn.to/3rT3qWB National Trail Raceway is an NHRA quarter mile drag strip located between Hebron and Kirkersville,…