Jordan Member Mar 19, 2011 #1 Would it be possible to have a ported box under the back seat of a 2001 GMC Sierra extended cab for 2 kicker comp 12s, and still sound good, and if so, is there any good websites with plans or blueprints? Provide a link?
Would it be possible to have a ported box under the back seat of a 2001 GMC Sierra extended cab for 2 kicker comp 12s, and still sound good, and if so, is there any good websites with plans or blueprints? Provide a link?
