I think if you are wanting to maximize performance of the body kit (down force) the 09 through 14 is the choice to make. Someone asked BJ (pro driver in the Continental Challenge series) why they have not changed to the new body style and he just said they have not been able to get same lap times out of it. But if you only care about looks the 15 and 16 don't suck, I would just put a real Nismo wing on it.
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