gmr single turbo might be just as for a track car. twin turbos are usually better off for the street IIRC. GMR is a great company and their prices are impossible to beat. if i had the money to go turbo i would do a gmr single kit with a nice big turbo
HI FLO IS OUT OF BUSINESS AND IS BEING INVESTIGATED BY THE FEDS. DONT EVEN THINK ABOUT THEM.