7. Our cab corners were very rotten, which is typical of older trucks in the Midwest. Anyone who says they're going to "throw on" some cab corners either hasn't done 'em or may end up with them looking like crap. To install them right takes a significant amount of time. First the old corners had to be carefully cut off. Here you can see technician Chris Gerrits as he removes one of the old corners. After the old cab corners were removed, the area was sandblasted to remove any rust.