I think that the vents are pretty much going to be of the same style, unless you buy the factory vents $$$. They have CF & FRP available eBay, Alibaba etc.
As mentioned, the tunneling / piping is going to take some real creativity & it's not going to benefit anything. I had the thought of doing so & abandoned it for this reason. The GTR vents do have a down tube on them.
You may have trouble with a shop installing these for you as most people that have reached out to me have found. Cutting the hood is not a problem, but doing the layout work can drive you crazy. If you do find a shop willing to install them, PM me the price as I am curious what someone would charge. Me & Simota1 had some interesting conversations over the process.
$.02
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