here they are

[daimond_audioguy16]

i am getting one of these subs for my ext cab truck and need to know what dimensions i need to build a ported box and if you guys know any sites that show you in pics or something a link would be greatly appreciated because im new to the car audio thing, thanks

http://sonicelectronix.com/item_5527.html

[PlayStation3]

when you buy it. it should come with a manuel that tells you everything about the sub and the box that you need to know

[playitloud]

Right, the manual must carry all the specifications of the box you needed to house it. Double check yours. It should be there somwhere.

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McIntosh MC252 - Get the MC252 Power Amplifier Catalog by McIntosh Laboratory, Inc.

[PaulD]

well, that information is NOT a requirement but many of the better sub companies do provide it.