It will bolt on but he will need a tune to make it run properly. There was a design change in 15. The 15 and up use valves in the manifold to reduce emissions at part throttle. They are called Charge Motion Control Valves, or CMCV.
There is also one on the positive. It is on the center most red wire in the fuse box. It is the tallest one. It is easy to see if you follow the wire. The amp sensor is about 8 inches from the terminal.