the car car and the engine was good.....everyday he lenjan his car this past 1 month pun still nothing happen(other word----->no need to go back to workshop to repair)..still no problem...for the piping issue he has use alot of thermal warp...the engine is running smooth..the fuel consumption is still ok, not so much different, maybe because it's a new engine but u have to see the face when people see the IC at the traffic light...1st maybe they they thing the IC is just a dummy but when they heard the sound...hehhehehhe....PRICELESS...that make this myvi....1 of the kind..... .Overall i think this project is really worth it. Can double the car horsepower without change the engine. For other 1.0 myvi owner out there, don`t worry cause there still hope 4 u all( but got to prepair the money 1st..lah, work hard kay..do alot of overtime)