hey guys . im new to this forum. finally good to see powerbass gettin the word out.. i currently own 2 12's pbx . and a 1500d amp. i have an extended cab s-10. what size box do i need to build for 2 12's.. what box sze and what port. and which direction should my port be? also was wondering how should i wire it up also.. thanks if you can help me.