I've raced a couple with bolt ons and they're not that fast. I'm 95% sure you would destroy a stock one, even with a stock l99.
Heres an article where they compare the supra to a 6th gen v-6 1LE. Camaro was quicker in a straight line
https://www.caranddriver.com/news/a2...amaro-v-6-1le/