Interesting, it seems that tanks are getting disproportionate increase?
Because from most of the people posting it seems those who are tanks are reporting high increase, those who are other classes not so much. Perhaps there is something that is making heavy armor cost more than light armor?
The only other thing would be that somehow legacy armor is costing more, and that there is truth that a fancier shell is equating to cost, even though there is no performance gain.
A Shadow wears light armor not Heavy. Tanks in general are taking more of a pounding as is their role to do so, so to speak, and because of it they are taking disproportionately higher costs for repairs.