Talk:ARC-170 Expansion Pack/@comment-27376035-20160608115324/@comment-27029853-20160608160744

Thus far in the EU, I think I heard that the Empire used a few in the novel Tarkin, set shortly before A New Hope.

That said, the fact that there's no generic pilot and the title is called "Alliance Overhaul" suggests to me that it's just a few antiques that have been heavily modified.