http://cars.mclaren.com/featured-articles/650s-le-mans.html
its not bad but mostly just cosmetic whats up with the 675lt? is it a track version like speciale or gt3rs? I think lt means lightweight track
675LT (LongTail) is the track-oriented version of the 650S. So yes, like the Speciale, GT3 RS, SV, etc...