Making items appear to be made of a lightweight material while actually making them heavier has always been weird to me. That said CF
look interior panels can look good if they match the overall look of the car and do not clash with the interior color.
Black interior is usually complimented the best by natural colored CF accents. Bright red, yellow, etc. interiors also look good since they are usually very sporty already. Tan/beige interiors should not have CF. I don't think I have ever seen a colored-CF interior that I have found attractive.
I personally would do a
brushed aluminum in dark gray or black rather than CF.
All my opinion of course.