This was just posted over at TFW2005:

According to TFW2005's Optibotimus, apparently, the CrazyDevy CDMW-11 G1 Predaking Wing Upgrade kit can cause some Major Damage to the wings of Divebomb.

CrazyDevy have apparently responded to one person's complaint on the issue by stating:

Optibotimus: they basically said that any damage caused was because the person putting the upgrade set on, didn't use "artisan skill".
This has certainly made me second guess purchasing this kit for the 2010 Reissue, which is a pity as they look really good.