Works, but isn't perfect.
2007 Chevrolet HHR
I bought this for my 2007 Chevy HHR LT (non-pioneer system). I used it to install a double din Kenwood DDX573-BH touchscreen radio. My only complaint is that you need to cut the two top tabs off of the install plate for it to work in the HHR. I had to use wire cutters to do it, and it ended up lookin a little janky, which isn't good because I have OCD about doing clean installations. Also, it was a different color from the plastic in my car. This kit is black, and the plastic around the radio is a dark gray, so it doesn't look right.
Pros: Holds the radio in tight, fits well
Cons: Requires modification (per the instructions), only comes in black