Turbo is probably same one as the one in my avatar. Small, crappy, but spools like a mofo. Its done at ~2-3k RPMs but only ~9psi. Stops getting efficiency at ~13psi I've heard, DEFINETLY chip it though. Stock turbo is a Blitz KKK KO3, people upgrade to KO4s, T3/T4s, and a common but expencive one is the one I'm doing, the Disco Potato (GT28RS). The latter is your best bet for simple power, and theres a kit out for it, or should be anyways.