View Full Version : need design and possible price on building for 08 Sierra 4dr truck box underseat

02-12-2009, 09:00 PM
I have a friend who wants to put some sound in his 08 sierra and trying to see whats the best set up to go with he has a Kicker 2500 for the amp just need to see if anyone has done a box under the seat if it was ported or sealed and how much airspace was available???