Originally posted by JonGordo8: For sealed 12's I suggest 1-1.25 cu ft per sub....I have mine built to about 1.25 and it sounds great. If you want to port it, than someone else more knowledgeable on the board will help you figure it out.
Sealed 15's you will probably want to go with about 2 cu ft per sub.
Depends on what amp he has pushing them
2000 SVT Black/Tan #1633/2150 (a few mods)
Alpine: CDA-9835, MRV-F540, MRD-M550
PG: TANTRUM-X 6.5 COMP all around.
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If you already have the Type Rs, keep them. The Stryke's are very nice, but the Type R is pretty good itself. To get a big enough improvement you would need spend more.
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