Application - for EJ20 EJ25 SUBARU IMPREZA GC8 / GDA/GDB Single Scroll Turbo - It can replace TD04L WRX directly without modification - It can replace STI GRF Turbo directly - for 2010 Subaru Impreza WRX STI Special Edition Hatchback - for 2011-2014 Subaru Impreza WRX STI Limited Sedan - for 2011-2014 Subaru Impreza WRX STI Sedan