2017 Supra SA 400 One ride behind the 2017 Supra SA, and the essence of precision engineering becomes explicitly clear. One look at its bold design and you'll ask yourself how such beautiful form can have so much function. This combination is why the SA is revered by the pros, and also why we chose the SA to be the official towboat of the 2016 Supra Boats Pro Wakeboard Tour. - Just Unwrapped 2017 SA400