... is for a exhaust project and juz 'belah' into half and modify to 'paste' in exterier to be a illegal exhaust to legal exhaust in a country who compund $700...
asking on behalf of my friend, he drives a B8 Ford. He has tried quite a number of oils, but he finds the engine to be rather "rough" at 4000km. Everytime he changes the oil, everything is smooth.