That does attach just under the windshield cowling. After install, it is actually bent down to a 90 degree angle. That is why the end is heavily taped for support.
They are still taking members but nothing more than 1 year at a time. Ever since the Ukrainian/Russian war it has gone down hill. I hd a lifetime set up and it was cancelled.
Understanding you had the water intrusion issue. If the secondary fuse panel got wet inside it would be suspect for sure. That panel would need to be replaced. They are not serviceable
Possibility here. Are your drains under hood clogged? Pull the passenger side lower plastic kick panel and inspect the secondary fuse panel for water intrusion.
As you can see Fuse 47 controls alot of items. Could be any of these items. Could be wiring to them etc. First step is to pull codes. Unplug all of the items shown and make sure there is no moisture or condensation n the pigtail. Start there and let us know what you find.
This is a start. What Long Tubes? We have seen with some of the long tubes it repositions the O2 sensor and can create an issue. Generally corrected in a tune. Has it been Dyno Tined or just have a canned tune installed?
What I was looking for was the upper mount. Some plates have a horseshoe style ring that goes under the strut tower. I have seen many cars with it on top.