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I decided to fill the rear deck with foam....now it sounds like a solid door instead of a hollow cave!
That’s the only part of mine I haven’t touched yet. I was thinking of dynomat but wasn’t sure how to get the panel off. You’d think that I’d have taken the time to figure it out since I did everything else but honestly got a little lazy there at the end! Had to trim around where the door panel touches the door on the first one to get the door panel back on. That’s why this door doesn’t have quite as much dynomat on it.
Just happen to pop in here. I put a CDT 8" Subwoofer, was not happy with it and changed to a JL Audio 8W1v3" subwoofer in my left rear cubby, with a build up of roughly 3.5 inches of MDF that matched the opening to give it the proper airspace. I made the MDF extension the exact same size as the cubby cover, the top layer had black speaker fabric. The cubby was lined with Dynamat. I then built a box, that sat behind the very front of the hatch area and blended in with the lip of the hatch front that covered the amp and crossovers. It was as wide as the rear, and about 8 inches in depth. I covered it in the exact black carpeting as the hatch carpeting. The amp had a connection for a computer fan and the box and allowed some, not great circulation of cool air. I never had an issue of thermal shutdown and I played my system LOUD. When I drove by people would come running out of their houses screaming and yelling because they thought the band was going by..
If you were not intimately familiar with the C6 hatch area you would never know the amp/crossovers and sub had been added.
I filled the cubby with roughly just over 1/2 with polyfill and if I really cranked up the bass I could feel the air kicking the back of my seat.
I have pics somewhere, I just need to find them.
I have to give credit to another Forum member that put a sub in the rear cubby, I just took it step further for my taste.
I also filled in the rear cubbies with foam, I am covering them up with the sub box and amps anyway, might as well fill it with foam. Only thing I ever put in there was my Exhaust commander thingy to open the muffler valves.
I am putting the fatmat in the doors, then 1/2" foam, then the weighted vinyl stuff, then 1/2" foam again....hopefully the door panel fits with all that. I covered the open holes in the doors with 1/2" mdf that I coated in wood glue to make them waterproof.
Large heavy glue soaked MDF in the doors, giant nuts and bolts, filling the rear cubbies with spray foam, and some of the ugliest sub boxes I have seen. I can't say I like much in this thread.
03-25-2019, 05:06 AM
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