Yup, i've heard of it. Kinda like the multi sound electronic horn. But there's another one, sold by KW if not mistaken, something like air powerjet stuff but capable of producing "pssshh" sound when vacumm suction.onculleh said:hey... just wondering... there are those "ah beng" kinda electronic stuff to put in engine just to make those "pretend turbo" pssssssssttt sound rite?