go 19's
carmate, local bodykit shops will custom make stuff, or graft a bar off another car on.
depends on your finances. if ya looking for a mild bit of extra response and daily goodness, get a new y peice/hi flow cat, swap out that dirty old paper air filter. on ya afm, open up teh black top and spi nthe cog inside clockwise... this iwll lean out the a/f ratio making more power/response from toyotas stock rich settings(go 1-2 clicks at a time) plumb the acis valve to a thorttlebody vacuum line gives you better power under 4000rpm. you can search on any of these, and most probably find some shit ive said lol. nitrous with a wet kit for a quick 75hp.
no such thing as a 3vz kit. all custom, all illegal