The GT Cooling Panel(Garage Defend replica) traditionally offer an improvement in cooling efficiency by ensuring air passes through the radiator instead of around it... Is for Nissan S15.
it does matter with my evo4, when i loose my fuel pedal at above 3000rpm, very loud annoying 'kra...' sound bursted continuesly, but if it was under 3000rpm, there would be no annoying sound. when i stepped on the...