I have a 2011 Silverado 1500 extended cab. It has the Bose system but I'm trying to upgrade the subwoofer in it. This is what I had in mind
Either
2 ported 8's
2 sealed 10's or shallow mount 12's
1 very good quality 10 or 12 in a ported box
For the 8's I was thinking sundown sa
For the...