Days Gone IPCA tech is found throughout the game but its two uses come in very late in the game after the credits! Collecting all pieces of IPCA tech is necessary to unlock the game's secret post-game ending, as well as a secret weapon, so all that tech is worth it if you want a complete Days Gone experience, but the massive map means that isn't an easy task.
Importantly, the whole process of putting together the covert weapon with all the Days Gone IPCA tech also revolves around unlocking a Days Gone secret ending, so there are other requirements outside of collecting the tech for this secret NERO weapon. However, in this guide, I'll just be sticking to showing you all 18 IPCA tech locations in Days Gone and how getting the secret weapon works.
