DrC Rich the stock era pipes should pass the NJ inspection without any problem, you need covers on them to protect your legs from burns. There is a glass pack type muffler in the side pipe. If you are running a large cam it may cause this high noise problem. The more you cause a resistance in the exhaust the hotter the motor will run. Try E-Mail Chaplin and see how his NJ inspection was. Use the baffles for the inspection and then save them for going back each year.
Find a private station for inspections with out the BS of state. Rick L