well do u wanna build ur box? u might think its hard but in reality its not and it will sound better and will fit well in ur car also.
then do u have an aftermarket h/u? u might want to look into one.
how much power????????
subs brands - elemental designs, kicker, pioneer, infinity, adire, alpine, eclipse, theres alot more just ask about a brand that u might want and we'll tell u our opinions.
amps- jbl 600.1, profile, us acoustics, many more. guys help me out //content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif
speakers- infinity, mbquart, peerless?, pioneer, alpine, also what size of speakers?