hey guys, when i turn my wheels hard right or hard left, theirs a really bad rubbing, and it stays that way till i straighten it out. anybody know what's rubbing?

 

Maybe you have the wrong size tires on your truck?

 

just look at your wheels and tire to see if there is any rubbing marks,don't forget to look behind the tires,crowl under the truck and look for marks.

 

You may want to try getting an alignment. I had the same issue when I upgraded to 275/45/20s. Firestone has a great lifetime alignment. Trust me I have been back 5 times this year, because I switch back to stock then 20s frequently