My Impala SS club and a couple of my South Bay Bimmer pals, 13 cars in all, and taking our cars to a DynoJet shop in Fremont CA. on Jan. 12. One guy owns a Tornado and we will do a before and after run with the device. Just to put all the arguments to rest I will the results here. Although it will be with an LT1 Chevy motor. Below is a link to more people talking about it.