This box will fit the right (passenger) cubby in a 2010-2013 Gen 3 Prius EXCEPT THE PLUG-IN. It's designed for the Kicker Square 8" subwoofers, like this one: I didn't realize that the PiP has a differently shaped cubby on that side, so this enclosure won't fit. I'm going to have to have a custom one made for the left side. I'm asking $250, which is what I paid for it, and will ship it free to anyone in the lower 48 states. Tim has quite a waiting list going, so this is your chance to get one of his awesome enclosures without the wait. Thanks for looking, Ken