Brembo Caliper Rebuild Subaru STi:
11.) Now work the dust seal into it’s recess.

12.) Congratulations you have finished your brembo caliper rebuild!

Brembo caliper rebuild kits:
Subaru 26297FE010 Brake Caliper Rebuild Seal Kit, Front
Subaru 26697FE000 Brake Caliper Rebuild Seal Kit, Rear