1)
Car- Year, Make, Model: '07 Silverado Classic Crew Cab
2)
Subs- Make, Model, Size, How many: Sundown Nightshade 18" 4 of them
3)
Power- How much power per sub: 1100w
4)
Goal- SPL or SQ: Low Tuned Street Beater
5)
Box type- Sealed, Ported, Bandpass, etc..: Ported
6)
Sub/port direction: Whichever way you can Fit it. I was thinking 1 Sub Forward, another Sub Up, with Port Up
7)
Max dimensions: 21.5w x 32.5d x 34-36h (Dimensions given are for Each Enclosure, there will be 2 Enclosures.)
8)
Desired NET vol and tuning: 11ish cu/ft Tuned Low, I'm thinking 30hz.
9)
Finnish-Paint, Carpet, Bare wood, etc... : Carpeted
10)
Zip code for shipping Required for build only: 11959
11)
Additional comments: I know this is prob. gonna be a tuff one for ya.

If you have any other Ideas or anything, please...let me know.
Double baffle: Yes
Double baffle w/flush mount: No
Round over all port edges inside and out: Yes
Round over all outside edges: Yes
45's in all inside corners: Yes
Kerfed port: No
Kerfed walls: No
Slanted back: No
Paint inside of port: No