GT500 Upgrade stage 2 2007-2009

[Gutterman]

I have an 08 Shelby gt 500 that I would like to upgrade with the stage 2 package.. give yes or nos and what to expect to pay and what hp increase to expect

 

[Dino Dino Bambino]

A Metco 2.6" supercharger pulley, JLT CAI, 65mm Cobra Jet throttle body, and tune should net you an easy ~530rwhp & ~530rwtq (615hp & 615lbft crank).