It would stricly be for And amp and sub! i have everything else!
You have full electrical upgrades? like, Big 3, extra battery, and high output alternator? All of that would fit into your budget, and still leave room for a REALLY good low-end set up, Are you interested in REALLY slamming? or are you more leaning to high sound quality? Either way, make sure you get the electrical out of the way..
i got the OP the hookup