i wasnt really sure where to put this question... but i need to mount down a VERY large speaker box in the trunk of my 2000 X.... is there anything under the plastic i may damage if i run some screws through.... i already removed the tools and jack and stuff so theres nothing under the carpet but the plastic of the truck... am i gonna hit anything? ( gas tank, or anything else important) it doesnt look like theres anything really there but i just wanted another opinion...