sub opinions with my setup

[alfmoney 10+ year member]

im looking to get a new sub or subs for my jeep 07 wrangler 4 door soft top i am currently running a ppi pc2100 @ 4 ohms mono. with that info i am looking at several options i 100% want a ported enclosure and cant decide between the the fi line up or the re line. i havent been into this car audio stuff in a long time but have always used 2 10's or 1 i have never tried a twelve or a 15 because they always sounded sloppy to me. i am looking for maximum spl and would possibly like to try a 15 or a 2 10 setup any opinions on which i should use a 15 or 2 10's and which models in those 2 brands only i have heard nothing but good about fi and re any info would be appreciated. and i will be using a pc2150 not the pc2100 for this setup

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