[What Materials Should I Use?]

Use 3/4" mdf.

thats what my dad said to use....guess i should listen...hmmm lol

[What Materials Should I Use?]

Are plywood and fiberglass the only options? Some people i talked to say plywood is bad to use because it vibrates a lot nd sounds bad, any other options?

[Hell Yeah Cvt]

well got the cvts installed, and ill have to say they sound pretty good. never heard slim subs before but i think they sound just as good as a normal one. im kind of breaking them in right know. i ve got my 750.1 with the hrz at about 80 the gain a little less than half and the bass boost at 0! completely impressed so far cant wait to turn it up.

let me know how good they are cause i might get 3 12"s.