i smoked a 4 door the civics first test

i got my car back with the heads ported and polsihed so this kid that talks all this shit in my town is dirivng on this road. so i caatch up to him and he sees i wanna go. well he slows down to 25 we go i kill him. we catch a light at like 5mph i kill him. im not sure he is trying but it sounded like it he has a 92-95 style 4 door and i have a 95 dx coupe both auto. im proud of the kill cuz i shut him up but i dont no.