M mmman CarAudio.com Newbie 1 0 united states Jul 12, 2020 #1 i am building a box for my 2006 Silverado. I am trying to figure out the port size for 4 6.5in Massive Summos. Anyone have any recommendations? Thanx in advance. Click to read more...
i am building a box for my 2006 Silverado. I am trying to figure out the port size for 4 6.5in Massive Summos. Anyone have any recommendations? Thanx in advance. Click to read more...