Mods on the Si? Nah.
I doubt he had nitrous at all. As for a turbo that's pretty unlikely. He probably had the basic bolt ons. You'd know if he had turbo and/or nitrous. Especially 100-150 shot
.....
So you act like that in public? Man I wouldn't even want to associated with you. And people wonder why people hate certain types of cars. Some people give an entire group a bad name.