I am thinking about cutting a slot the size and shape of the spoiler in the coupe body and sliding the spoiler up from underneath thru the hole to mount the spoiler to the body. I would leave as much of the flange on the spoiler as possible and use the flange as a surface to glue the spoiler to the body from underneath. On the outside I would use HSRF to create a fillet from the body to the spoiler and finish the final details with the rest of the body work.

From reading all the posts I could find on the topic it sounds like others have done something similar, but I cant find many details or pictures. Can anyone point me to a post with more details? Or if you did this do you have any pictures or advice you could share?

Thanks!