i got that OS 18 engine in my hpi yo is fast i think is doing over 65. I bet my friends 12 ss hpi. I was driving next to my brother and he was doing 60 and i was right behind him. I could had went faster but i was scare i was going to crash my car. I was wondering what king of tire i could so it wont go out of controlled. I love my car more now. And also whats a good pipe for it
