well i dont have my list in front of me but its gonna be just like avenue sounds class's
1st class 3 10" 2 12" 1 15"
2nd class 4-5 10" 3-4 12" 2 15" 1 18"
3rd basacally anything greater then the 1 st and 2nd class
4th class
as as far as extream goes, i am gonna make a 4th class were there will only be 1st and 2nd and its gonna be of my descression weather its considered a daily driver or not,, that will be classifed as extream,, aka concreat,, plexi windows,batterys external of car, over ly wide tires, no front seats with seatable roomm like that,
doors can be open or closed in any classes,, and the audio has to be powered by D/c power no genarators to run your amps