2009 chevy crew cab subwoofer enclosure

[JC AUDIO]

iam new to the site this may have already been asked but i have a 2009 chevy crew cab i need to see if anybody has built a good box design for multiple or one sub under seat ported iam looking for a box that produces some noticeabel lows

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[sacsking916 5,000+ posts]

what up bro? this is rays boy from napa. you should be able to get some help from these guys around here.