I had a Vortech A Trim...it sucked pond water. Upgraded it to an S Trim and had a blast with it. Of course, I had heads cam etc, etc. I was running 11.0 on McCrearys and the boost would just hit 12 psi at the finish line. The car was dialed in at 417 rwhp most of the time but had a high of 444 rwhp before I dialed it back. There was more in it but I never went there. It was my DD and I ran it at the track exactly like it drove me to work.

The fmu is a wothless bandaid for an insufficient fuel system. Do it right with a proper fuel system. As for the little superchargers, take a pass on them. You will be taking a knife to a gunfight and have to content yourself with knocking off ricers, but a lot of ricers will rub your nose in it, or playing bully with the kiddies who think their stock Mustang is the shit.

The best thing about a SC or a turbo is you don't have to keep filling the bottle day after day, week after week, year after year and then finding that it's empty when you want it the most.