I went with Swaintech's White Lightning coating. It was twice as thick as the cerakote that I did on my manifold. Only downside (if you are picky) is that it only comes in white. The coating itself keeps heat in the downpipe and less in the engine bay.
The full box just came out I think 6 months ago or so. No long term discoloration so far.
As for sound clips, I'll try to see if I can get some for y'all. Need to find a not crappy weather day to do it.
The OEM Bosch coil packs are good enough for 1k HP. I have some other coil packs that I am testing to see if they are a viable alternative to the OEM Bosch coil packs.
Fortune Auto > KW.
One of the local guys had his warranty voided by KW for his KW v3 because he tracked it. Fortune Auto does make some sick suspension. One of the other local guys is running it and its held up well.
I used a Belkin Lighting Network adapter as well as an ENET cable on both a 2020 (pre-recall) and a 2021 (post-recall). Both work fine.
I had to move to a Belkin MFi-certified adapter due to iOS 14/15 killing support for non-MFi network adapters.
Android 11 also has issues with USB-C adapters...
https://www.discounttire.com/learn/hub-centric-vs-lug-centric
While you can run without the wheels being hub-centric, it is recommended to have the wheel be hub-centric. More contact space for the wheel to grip on to just incase something bad happens (like an unproperly torqued wheel bolt...