Are you kidding me here? FMU sucks?? Yes- they suck if you don't have a wideband and have no idea how to tune a car. I've never seen a halfway fast car without FMU. Every supra i've owned, my twin turbo z06, twin turbo 350z, s2k, dsm's, etc. etc. had fmu's. Now the EASY way to do it w/the...