Alpine Type R Downfiring sub box

Depends on the type of car, the power, the type of music you like and what you are hoping it will sound like. I always go sealed for my own cars, but thats because its an optimally sized box for the driver in it, and what i want overall.

 
Well its going in a Jeep Wrangler and I sometimes have the top off. I listen to everything, mostly rock, rap, country. Now how can i port it? I saw pvc pipe used and just holes in the box. Does anyone have some measurements of either the pipe or ported hole?

 
awesome cause i have a 2008 wrangler lol i have a 10L7 in .7ish sealed downfiring with 900 watts.

its not loud enough.

your type r will be best sub down port to the left on the side.

ill be porting my L7 soon enough.

 
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