welcome! - fill out where you're from
URD Usa .com has all teh goods - Gadget there is very well respected here
essential mods:
1) Short Shifter
2) Intake - URD's or TRD's are well regarded as there are actual gains
3) any tires other than the stock Potenza's - BFG KDW NT's rock, as do many others, just search
from there it's all good!