Originally Posted by ClemsonWill

I personally like the GTM SC kit solely because of the Rotrex supercharger design. Although I would have no problem buying any of Stillens products. They do tons of research. They have been making after market performance parts for years. It sounds like they have worked out the initial issues with the SC kit. It's just a matter of time before the reputation changes. I would like to see some more independent dyno numbers and quarter mile times though.