I have a F150 stx 2004. V8 engine want to know if anyone knows a good website for looking at superchargers and other performance upgrades. Thanks for the info.

 

You'll find some of the best information right here on this board.

Drop down to the "After Market", "SuperCharger" forum and read some of the posts.

Due a search using the search button at the upper right of this page for more information.