hatchback

So I have been making some improvements to my corollas audio system recently and am pretty happy at the time been with 2x12's and a 10 inch to act as midbass. I am thinking of making a custom parcel shelf out of MDF or ply to fit some 6x9s on and I have the tools and knowledge required to do so...

Hi guys, new to the forum. Also, new to my 2011 Subaru WRX hatchback. I love the car but the sound is TERRIBLE! So from previous installations I have some pretty decent equipment but I would like to get your opinions on what I should do next. My front door panels rattle like crazy, I got them...