Im having a hard time deciding what woofers to run for this build. Its a a daily drivin 01 gmc sierra extended cab. Im wanting to keep my rear seat in place and fully functionable , for car seat etc... So im hoping some one has done a enclosure for a truck like this and or is willing to help out. Im thinking either (4) Sundown SA 8"s or maybe 1 dc xl 10" or 12" ... or? open to suggestions opinions... basically want the MOST bang for my buck, and would like to get it as LOW as possible.. ANY and ALL help is GREATLY appreciated!!! heres the truck.. alpine 9883 headunit,(2) sets infinity kappa 5.20's off a RF 300.4