my vtec on my 99 honda civic si is not as loud as it use to be i got a cloud air intake stock exhaust jdm header clutch the oil pressure is reading about 70 and the engine temp is about 180 or lower when driving it does smoke alittle when u get on it help please it still kicks in its just not lound the screen is clean to

change your oil, clean your air filter.... while your at it might as well give her some new plugs and maybe a cap/rotor