ya.... better send to workshop do... install might be easy follow the diagram instruction... but tuning part is hard.... u need dyno tune to get accurate result...
bros,sifus & otais,
i know this thread is supposed to be here,but help..
my pomen said the pistons in my EVO3 have caused the walls inside the piston 'lubang' got thinner and got scratched and possible will crack.he...