This SUBARU GRB STI has been step up from full stock. Start from basic air filter, and exhaust ECU flash etc.
Currently the car has HKS F-con ECU, injector, pump, boost controller etc..it's ready to step more up!!
And this time, stepping more further???....but still engine is full stock??!! till pop???
The HKS 3037 turbo kit and Blitz front mount intercooler are on(not really bolt on but)!
Inter warmer???
Still stock engine, however reached almost 300kw mark!! Next....... internal?!!
