From memory and my photo, yes the one side pulls it tight. Here's a factory part # and picture of bracket 22255-66010 Genuine Toyota Bracket, Air Flow Meter - https://www.toyotapartsdeal.com/oem/toyota~bracket~air~flow~meter~22255-66010.html
Either custom bracket or find the OEM and rotate MAF. One note, my MAF sensor housing (black rectangular box) makes contact with the under hood lining in this orientation.
The band clamp on your air filter side doesn't appear to be doing...
Yes, there's a metal bracket that joins them together (should be bronze/silver). You can see it in my photo to the lower right of red circle, but i chopped it down in size and painted black.
Hard to tell with the tape, but i bet your MAF housing cracked apart on the front side of the screen. Same issue I had, only on the opposite side.
Take the tape off and snap a picture.
Anyone had issues with heat and the MAF housing cracking? While installing a few T clamps on the turbo side silicone hoses yesterday, one too many ugga tuggas and she snapped in half. 15hrs of cure with epoxy steel and it seems gtg, just...