The Venom GT IS a tuned Lotus. It is a heavily modified car but legally, it is a tuned Lotus.
A 9ff GT9 is a 9ff. Legally, it is a 9ff.
The Venom GT has a Lotus VIN, Lotus title, Lotus registration, etc.
A 9ff GT9 has a 9ff VIN, 9ff title, 9ff registration, etc.
Even John Hennessey does NOT call this a production car. Read his quote in his own words...
“I’m going to back off my claim that this is the world’s fastest production car,” Hennessey said. “This is the fastest hyper car you can buy. And I plan to do a run that’ll give the people in Wolfsburg something to think about.”
It's a tuned Lotus.