I own 2009 efi Cultus own engine . It's engine noise is really high when even slight race of 2000 rpm is applied . Im pretty sure that sound is of engine . I'm not really sure how to explain the sound it feels like somewhat of an electrical and machenical mix noise like that of an old car and this sound also creeps into cabin with closed windows at anything above 2000rpm . Also it's engine is pretty smooth but
