That part of it probably took me 10 minutes once I decided where I wanted to remove the material from. I think I used a little exacto saw blade to cut the little kerfs so I could snap the pieces. Like I said the best thing is to score the plastic with a sharp X-Acto knife and a straight edge., Then if you saw into it a quarter of an inch or so to where you can flex those parts they will snap on the line you scored.
But that will depend on the depth of your head unit. I did not cut anything out behind my radio. The number one cause behind your struggling radio is a blown fuse or multiple ones. In the video above the guy removed a bunch from the top I don't think he needed to I think you see that after he put the radio in. I recall only removing about a quarter of an inch from the bottom. And so you should line it up with the trim plate to see do you need to remove it from the top or bottom. Hooked everything up, I got the I was looking for (nothing earth shattering, just a clean nice thump). I have a JL 10w3v3 powered by a JL 500/1 amp. What you don't want to do is remove more of the mounting frame than you need to. Stereo/Audio - 2012 FX2 Stereo upgrade (audio guys, come on in) - I recently built and carpeted a custom box for my 12 FX2 supercrew. And you don't have to because it will sit in there without that with the trim plate holding it in. If you're not using the clips that you have to release with little tools. 12.1 Inch HD Touchscreen for 2009-2013 Ford F150 Mustang Radio Car Stereo with RDS DSP Bluetooth Support GPS Navigation 360° Camera 12.1 Inch HD Touchscreen for 2009-2013 Ford F150 Mustang Radio Car Stereo with RDS DSP Bluetooth Support GPS Navigation 360° Camera 80083859-2 Android 10. What does it take to put the stock radio back in after these mods?Nothing you slide it into place. This issue is about the breakthroughs that will fundamentally change what it means to drive a car in. I noticed most of the radios say they require permanent modifications to the dash, and iirc, they indicate they are in the back.