ive never tried under the seat, so i dont know
but i do know that the box with the dimension of 2 at the top and 7 at the bottom will fit behind the new seat all the way back. so if you measured the bottom depth with your seat all the way back, and could settle for a good set of tens, it would probably fit behind the old seat like there is nothing there. as of now i have other things for college and just paying for gas with the 454 in ol grey so i sadly inmagine it will be quite a while before i can afford the new subs
maybe not though. i have too many projects, evh frankenstein guitar, my truck, guns, and weight lifting, its all just too much and too expensive
