[2016ghost]

My car has the NPP feature, but someone removed the stock muffler and put CORSA extreme exhaust without the valves. I’m trying to figure out what it’s going to take to get the dual mode exhaust back on the car. I’ve read the replacement actuators have to be programmed to the car and I’m wondering if there is something to use beside HPTuner or going to the dealer to have them programmed/calibrated to the car? I’m trying to talk to a lawyer because I was told by the salesman the car had the feature and it was working, but clearly that was a lie, and at the time I wasn’t sure what to look for or listen for.