Chevrolet Camaro i42 from German tuner features a supercharged version of the 6.2 liter V8 that is good for 509 PS (374 kW).
(http://imgs.blackfalconmedia.com/2010/12/14/medium/10861115901131120507.jpg)
Irmscher i42 Camaro with 500 horsepower (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/MiLrmZW4tYQ/irmscher-i42-camaro-with-500-horsepower)