Well I am a big believer in the bigger the better because they just push more air but brand install and quality are big factors! But I am replying because you said you have owned MA Audios and i was about to buy 2 12inch xl's from them with a MA Audio amp 2502hc and I was wondering if you liked them could you maybe post a review and tell me if they are worth the money all insight is needed thanks!
2 12inch type R's
crunch p4125(soon to be replaced)
sony xplod cdx-ca700x
hatchback dual chamber box
96 5speed firebird(not a great ride but for now I am perfectly happy)