Assuming your stock wheels are 7's and 8's, I'd go with 225/50-15 in front and 295/50-15 in back. Specifically, use the Toyo Proxes 4 in front and the Toyo Proxes S/T on back.
You can read more about them here:
http://pantera.infopop.cc/eve/forums/a/tpc/f/1510042044/m/1370000094