falls flat no power and a hell of a whistling squeal from the supercharger dealer said they replaced it and went to pick it up and same thing. took the tech for a ride 2nd at 5000rpm sounded like the blower was gonna blow up so 2 weeks and counting gasket is supposed to be reusable but gm has none and has a labor op for them now i really miss my car the 4dr cobalt rental sucks
Bro superchargers do wistle and squeal, aspecialy in a high rpm range such as 5,000rpms, that's what they do. Are you sure the no power is because of the supercharger? People have had that same problem and it was the throttle positioning sensor.