hllywood29
10+ year member
Senior VIP Member
best way to have subs firing up toward roof or back towards back doors.i have 2 18 inch treo ssx and amy gonna be designing a new box.i have seen subs firing up and subs firing back whixh will produce more bass or will it be about the same.the port will be firing back towards the doors with either setup,it is going in a 2003 chevy tahoe.