I'll jump in having had this conversation. A couple of things to note
1. The new doors are square at the top, so if you have the last revision of the challenger doors that have rounded corners, I'm going to guess you're out of luck (unless you're willing to start cutting fiberglass )
2. The frame actually forms around the wall to cover any gaps from the rough in. It then gets painted. So no matter the case figure there is a fair bit of repainting that would need to be done
With these two considerations and the cost of the door itself Ód imagine you're into 5 figures to get a retrofit done.
2016 Dynamax DX3 - Big Blue
- Traveling the country in our DX3 for the next year