i want to hear more about this budget LSA swap for only $3,000. I think you are understating and oversimplifying things. Forced induction + fuel system and supporting mods on a factory NA motor is not a cheap thing to do. It cost over $4,000 to do a lowly eaton swap on a 2v.
as far as the OP there is nothing cheaper and faster on the market than early coyote S197s which have gotten into the mid teens. Mid 12s on factory paper filter and 11s with simple bolt ons.
Complete kit just needs belt, hoses and vacuum lines. You can piece these setups together from takeoffs from cts v, Zl1 cars and save a few dollars.
GM TRUCK (DBWThrottle Body) REMAN LSA SUPERCHARGER | BoostDistrict