iso max dimension for slide in box 13 impala

read smewhere on here i believe it was from nasty08impala, furnaced some max height or dimensions for a box. if any help could be provided seeing if anyone as made a box ti fit in a impala. please post thanks. im thinking it was 35 width 24 depth maybe the max height was 15 im not sure. tried the search feature but its broken i keep getting a error when searching anyhting on the site.

m not lazy its just very cold here and i dont feel like weathering the 10 degrees building a cardboard box etc. never was good at that.