I had the feeling that the new Plus8 the rear looks somehow "incomplete" without the exhausts.
I think this is down to the shape - you have a more recognizeable bumper on the Plus 8 - under which you epect to see an exhause pipe or 4.
On the SS/Max there isn't a definite bumper line and so exhausts look a little incongruous.
I have to admit looking at Brian's got me thinking how much more raw the Plus looks over the Aero (in a good way)