port up or port back?

[Banginbass601 1]

Ihave six 15s and the subs will be facing up, should I do port up or the port facing back this is going in a Denali

[SpeakerBoy 64]

No port period until you give some details.

[Sir-Lancelot 216]

Subs up port back is typically louder in SUV's.

[Banginbass601 1]

6 15 incriminator 187s getting 500 rms to each sub

[bassahaulic 155]

If you have the room to keep the back of the box 6"-8" away from the back hatch then port back. If the box has to be right up against the back hatch then port up.