What to do next???

[955.0HO]

I have the mods in my sig. and cant decide what to get next. Should i go for a programmer/chip? Headers? Suspension stuff?

I wanna get into the 13s but havent made it yet. I need new tires for sure. Next time im at the track im borrowing a friend set of nittos

oh and i have steeda underive pulleys on the way

thanks