If it's done right I think it would add to the car's shape. I'm thinking a nice transition from the front fenders and then flat back to the rear fenders;
Please excuse my poor trackball artwork, but something like the above. And you get to make some more of those fun reverses!
The other thing I'd mention is;
Stainless + Aluminum = Corrosion
You'll need to isolate the parts electrically so you don't make a battery.