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2 15" Fi Btls
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<blockquote data-quote="GrnEydDvl" data-source="post: 2479269" data-attributes="member: 568270"><p>From the manufacturer's forum:</p><p></p><p><em>15" - 3 (depending on tuning) to 5 cubic feet tuned 30-35Hz for a daily application.</em></p><p></p><p><em> </em></p><p></p><p><em>Generally speaking you want to use 12 to 16 square inches of port area per cubic foot of box volume.</em></p><p></p><p><em> </em></p><p></p><p><em>This is what we reccomend for a daily driving / street beating type application. For SPL and fart burping it will be vastly different and very install and scenario dependent.</em></p></blockquote><p></p>
[QUOTE="GrnEydDvl, post: 2479269, member: 568270"] From the manufacturer's forum: [I]15" - 3 (depending on tuning) to 5 cubic feet tuned 30-35Hz for a daily application.[/I] [I] [/I] [I]Generally speaking you want to use 12 to 16 square inches of port area per cubic foot of box volume.[/I] [I] [/I] [I]This is what we reccomend for a daily driving / street beating type application. For SPL and fart burping it will be vastly different and very install and scenario dependent.[/I] [/QUOTE]
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