Then you have the wrong car. The cf edition one comes with carbon one. The non carbon one is on the 202q a91 edition. https://www.supramkv.com/threads/2021-a91-edition-oem-spoiler-never-installed.19237/
It's not going to match the carbon duck bill if it's real carbon. You own a supra not exactly cheap car, what's a little bit more for something of decent quality. @NitroYellowMKV probably has some.
I stumbled on this article doesn't look like 2024 is getting anything new but a color change and special editon for the US. He could try putting his name for that color combo at more dealers. But production seems to be trending lower each year. As mentioned in the production thread...
Nothing special like other years it's a standard color option in other markets. Only in the states it's marketed as special. https://www.carexpert.com.au/car-news/toyota-details-2024-updates-for-gr-performance-models
Well if a rock is caught between the dust shield and rotor there's going to be noises. Hard braking will fix this.
Check the rocker panels and lower front fenders where it curves in. That area is prone to rock chips.