No one on here though... a throttle body spacer may seem pretty pointless but yes it does work but on a TBI system and on some of them it says that right on the label. So what are people complaining about? i read a page of reviews saying this didn't work on my cavalier or my tundra. well guess what you have a multiport injection system, therefore it will not work and not make any difference. i purchased an air raid TB Spacer and i noticed an immediate difference.. does anyone else notice this about some people?