About a month ago I repowered with Verado 300's and Sundancekid and I decided while the motors were off, to strengthen the transom (no I had no problems) by adding an exterior plate and transom savers inside. Many of the better companies are adding them - at least on the interiors with all new engines.
Here's the motors and you can see the exterior plate - primered and awlgripped to the identical color of the hull:

the internal ones were added today and we decided to keep them polished aluminum:
