German prices for the rails
I've just recently been at my Mazda dealer and asked for the prices of the required parts. Overall it's ~680. The pieces plus shipping is not worth it I think.
CC51-51-T10C 288,31
CC51-51-T20C 288,31
CC51-51-U30 20,50
CC51-51-U40 20,86
CC51-51-U90 25,53 x2...