making a shaped/curved raceway is no diferent than making the shaped/curved letters as they are both made from aluminum. who ever does your channel letters should be able to do the raceway too.
red on the brick is OK if you make the cans and trim cap white. the raceway should be painted to blend in with the brick or paint it in a way that it becomes a design element.
what is a DO-NUT? what's up with the dash between the do and nut? is it a donut shop? just curious