The Jet Performance POWR Flo Spacer is an excellent addition to any performance car .Based on our own experience, the spacer helps to increase airflow and reduce turbulence, which ultimately results in more power and better fuel efficiency. The installation process is straightforward and the quality of the material is guaranteed. However, it is important to note that some vehicles may experience increased restriction with this spacer, which can negatively affect performance in certain instances.See full review