Wings65288

hey i was wondering what exactly comes witht he mach audio system in the 99' and up mustangs, or is it just certain years. i know that theirs an amp holder in the trunk, what else does it come with? because i plan on getting a jl audio w7 10' with the jl audio 1000 watt amp, but with a custom box made because the jl audio box won't fit in the trunk. thanks, -justin.