Dual box under the seat

OK here it is.... 2001-2006 Chevy or GMC HD crew cab speaker box for a massive L7 Kicker 12". This box has roughly 1.1 cubic ft of airspace and provides enough excursion room so the woofer doesn't hit the floor. We …

This box is designed to fit 2001-2006 Chevy Silverado Crew Cab HD Series and 2001-2006 GMC Sierra HD Series Crew Cab Trucks. This will not fit the Silverado Ext Cab. ONLY FITS THE 2500 AND 3500 SERIES CREW CABS. Will not fit 1500 …