Set (4) 235/45/17 Dunlop SP Sport 01 tires
Took off my stock wheels, have 5k on them.
Specs: http://http://www.tirerack.com/tires/tires.jsp?tireMake=Dunlop&tireModel=SP+Sport+01&partnum=345WR701&vehicleSearch=true&fromCompare1=yes&autoMake=Subaru&autoYear=2013&autoModel=Impreza%20WRX%204-Door&autoModClar=Standard%20Model
$450 obo