Low 300whp - TBE/ EM/ Tune
Mid 300whp - TBE/ EM/ I/ Upgraded Top or Front Mount/ Meth
High 300whp - td06 20g/ TBE/ EM/ Supporting Mods ; injectors, Fuel pump, ect.
400+whp - FP red , GT30R, GT35R/ Supposting Mods.
Or just hit up Topspeed if you any other questions. Subaru WRX/STi Performance Packages