last saturday, i was driving at Putrajaya with my car. Suddently, there was a road block in front. Seems like police is doing it. Then i guess its fine for me coz my car pretty stock..
i sourced out this from japanese webpage.the translation for the mod would be "full time secondary duct opening".from what i understand from reading it is the merit would be the torque feel from 2000-4000 rpm range...