That could be done but production costs would come into play. And we’ve seen how much of a hard sell getting tophats done already.
I’m all for ingenuity but the design posted has a flaw that AZSL has mentioned. All the stress on the central point of what looks like a stock unreinforced tophat.
According to the shop banner he should be at blacktrax in the Bay Area California. Jay at BT is good at tuning. I have never gone there but the shop is well known for tuning S2000’s. I used to get my stuff tuned at shops in Sacramento.
I could be wrong but I thought that BT dyno read a little...