I threw a Lund nGauge in my 2016, came with a 91/93, flex fuel and E85R tune. All of them made a very noticeable difference, the stock tune won't break the pilot 4S' loose from a 2nd gear roll like the lund tunes will.
Also the single note horn can easily be converted back to the dual note horns from the 15-17 cars, its a direct plug and play swap.