BTL18 Box for crew cab truck

[alboi 10+ year member]

So im designing an enclosure for my btl thats coming in and im not sure what the best orientation for the sub and port are for trucks for the most spl. Is it sub forward port up? Sub up port up? Heres one design that i put together, about 7.75 cubes net after displacement, 32 hz, port up sub forward

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[alboi 10+ year member]

bump, are there any problems with this design?

 

[alboi 10+ year member]

please help

 

[JDBuilder 10+ year member]

I can help you. I have built a couple dual 18" ported beast's for the FI subs the last few weeks and can help you with your design. Here are a couple pic's of the last one I did.

Please feel free to contact me at ecce@metrocast.net.