I've enjoyed reading the replies, the logic here is not beyond me. Whether it makes my hilux quicker or not, I enjoy the driving experience. That is worth my money, it is no different to putting on a set of seatcovers, I may think they feel great, others not so much. If you think the sprintbooster is a waste of money, then so be it. No one is forcing your hand. I understand Djkor is stating his opinion and thats what forums are about. I get the feeling this is getting heated, but it is for no reason. We are here to enjoy our cars, lets do it.