View Full Version : NEED HELP! 2006 GMC sierra extended cab

01-05-2013, 05:49 PM
Hey guys I need some help. I'm fairly new to Car Audio but am already becoming a enthusiast. I want to run, preferably, a pair of Fi BL 10's ported somewhere in the range of 32-32 Hz. As you know there is not much room under the seat of a extended cab truck, but I have seen it done. This is all I have found as far as a ported 10 design goes, but its for one: 26538913
I want two. The minimum space needed is .7 through 1.5 cubes. I have seen sealed boxes built as big as 1.12 cubes(SubThump Ultra deep MAXX) so I should be able to get at LEAST .7 after displacement. so now I need help with the design. I was thinking subs up port out, Anybody smarter than me know how to make this work?

01-05-2013, 05:56 PM
*32-35 Hz

01-05-2013, 06:02 PM
Seat lift woukd clear up a bunch of space. Use fiberglass for top and bottom of box to save space.
I think it was 'ado' who built a nice ported box for single 12 under seat. T4y to find his build thread and that may help

01-05-2013, 06:25 PM

Lists dimensions on page 1. He redesigned later to get a touvh more airspace but doesnt list specs

01-05-2013, 06:35 PM
I was going to try to do it without lifting my seat and i'll look at his build and thanks for the link!