Originally Posted by
ajt976
Sounds like you already have your decision, but wanted to throw out there that I was able to successfully use the AP4-GM61 on my 2017 non-Bose Silverado with the 8" screen. It works great for me (assuming you've read up on the limitations with tuned sources for non-Bose).
Also, I've tried a USB drive with this and noticed that not all USB ports will allow for playback. Unfortunately the ports under the lid in the center console would not recognize the drive, only the 2 ports in the dash portion of the console would allow playback.