BAT sales suggest otherwise.
looking at OP's low resolution photo's (It would be nice to have better photos..):
-Obvious paint failure on the hood, roof, and front quarter panel
-I'm see what appears to be curbed/paint chipping on some of the wheels
-Front and rear bumper paint looks...
As I have mentioned before, you can 100% hydrolock a motor without submerging the filter.
In my case it was my slightly lowered (mugen springs) 8th with a torn up wheel well liner in a nasty storm. I didn't drive through a puddle deeper than a few inches.
The filter placement is better/safer...
Installed the Torque solutions shift rod (annoying) and figured out that my shift plate wouldn't quite work without notching the rod.
So, I got a new shift boot (IDK where I put my OEM one) and a new Mugen knob (thank you cheap yen).
(edit: fixed for ya)
Assuming you are talking about the Pharable tune? If so, when you ordered the tune it asked you which intake and MAF housing you are running.
https://www.phearable.net/tuning-software/10thgencivic/ktuner-stage-1.5-race-tune-non-si.html
If it is a basemap from K-Tuner it should clarify which...
The K-Tuner map you run with the intake will need to be for a large maf housing/race/big bore based tune.
The factory tune, or any tune that assumes the factory size maf housing won't work.
Also, the only thing the cat back will add is sound.
A loud bang isn't good. Although if you threw a rod, etc. I would expect for you to find a puddle of oil and/or a hole in the side of your motor.
If you are lucky, you might have just had coupler pop off. I'd start with checking all the piping to make sure everything is connected and...
Dashcams with similar, but not the same, part numbers are shown on the Japanese accessories catalog.
https://www.honda.co.jp/ACCESS/auto-archive/civichatchback/2021/
It could be legit, but from a different market?
I am not seeing any rear diffuser on those pics... I do see some rear spats, but IDK which ones specifically (probably something generic and/or borrowed from another platform)
As someone with the spoon one, I would call them a waste of money.
Losing the ability to dimm ones mirror is kinda stupid. It might be less of an annoyance with a tinted rear window
The whole point of using the gen brembo's is that rebuilt ones can be sourced on the cheap.
If you are willing to spend new caliper money, get a kit with better fitment (27won, etc)