I am selling my two 15" kicker cvrs along with the 1200 watt amp soon to a friend and am looking for ideas on an upgrade. i want it to be even louder than the cvrs. going with 2 subs for sure preferably 15" idk just looks better in the back of the mag (will be getting a custom box made). 1 or 2 amps not sure yet depends wat ideas u give me.. So ideas?