it is crap to waste $2- ON it but it will work
it make the fuel injectors put out more ,so it uses more gas all the time
the only waste is that it is not tuned for the car and not variable like a greddy one or a apexi vafc 2 which are much better as they are variable and only when needed,it works but needs to be tuned
so they are not that stupid ,just wasting 20 for a 5 cent part.