I'm new to this site. Im looking to build a nice system in my 2016 mega cab. Thinking about fiberglassing the back wall to gain as much air space as possible and 3/4 MDF the face. I believe I can get about 6cf maybe a little more. I would like to run 4 soundqubed hdc310s on 2 sq4500s. Originally wanted 4 hdc412s but they would definitely choke in 6 cubes. What is everybody's thoughts on this? Please post pics if you have done a mega cab build before. Please be easy on my I'm still learning on here. Almost forgot this will be ported tuned to 38-40 hrtz looking to get nasty and loud. Amps and batteries will be mounted in a diamond plate truck box in the back. I'm looking to spend roughly $4 to $5k on this setup. Thanks in advance guys