1. Car. 2002, Infinity, I35
2. Subs. RE, SX, 18", How many: 2 of 'em
3. Power. How much power per sub: 1300w RMS each
4. Goal. SPL or SQ: whatever SQ i can get. but i want to be able to compete in comps and not loose all the time since 18's put me in a big class
5. Sealed or ported...