Here's a (nearly) supercharged 2.5L 5-cyl:
It's more or less a complete DIY job, by the same guy who built this:
He took an M62 Eaton blower off a wrecked Cobalt SS and has been doing the majority of the fabrication himself. Obviously there's not a ton of aftermarket support for the 2.5L.
Thread here - http://forums.subdriven.com/showthread.php…