Souljaslim2007

Hey i need some help wit my rebuild....tryna get it up to street killa status....i got 2 hifonics olympics xxv 15s 2400watt each on a hifonics collouses 3200rms running all zero gauge wit red top under hood stinger battery in back alpine type s door n 6by9 How should i build a box for it n i want it tuned low 25-35htz