I'm still torn on the decision between the Whipple or the STS. I like the way you can run the dual stage boost controller on the STS then at the flip of a switch run a higher boost and activate alcohol injection. Is there a way one can do this with the whipple.

 

no, you have to swap the pully.

you can get more than a duel stage control for the sts kit. you can get an electronic boost controler that will let you do any kind of boost control you want. you can base it on rpm or mph or gear or time and it can have more than 2 setings. my controler has 4 presets, i can program each preset and then at the click of a button go from one preset to the next. if you are traction limited then some of that other stuff would be cool but in my case i want the boost as fast as i can get it so the mph/rpm/time based control does me no good.