If you clear coat in matte you're going to lose the "BEYOND metallic" look. But I am always a fan of matte finishes on vehicles. I would also say to accenting it with black would be cool, but if you're already doing carbon fiber, it may be too many different things going on. have you considered hydrodipping in a carbon fiber design? Not sure how expensive it is to have done or to attempt to do it yourself.
If I'm not mistaken isn't one of the Raider SCL colors similar to the burnt orange? I think it looks pretty good on her. I'm sad you're getting rid of the purple....love that purple!