Can it be done? Random Engine Misfires! 2004 Nissan Frontier 4.0 P0302 P0420 P0430 HD

Catalytic Converters! Missing? Running Rough P0302 P0420 P0430 Nissan Fronter 4.0 v6https://youtu.be/Xp4HQkfg2ZEVisit my Second Channel on Youtube, RainmanR...