i have an 87' GXL two seater and i was thinkin bout putting a sub behind the passengers seat in the storage box... but im not sure if there is anything that might get in the way... i would like to drill holes for the amp and speaker wire and mount another amp right behind the seat... i have one already behind the driver seat that powers two 6x9s.... anyway i looked online for a diagram or skeleton pic of my car but cant find one... i just wanna make sure i wont cut into somethin important. thanks.

 

The storage bins mount into a fibreglass bulkhead which is hollow.

You can find exploded diagrams of the car in the FSM, which you can download from the FAQ.