well, it all depends on the power you can put to either the one or the pair. And it depends on if you have the room for the propper encloser for the 2 12's. Be more specific.....
i would look into other solutions tbh, but i would do the gti if those were the last subs on the planet //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif