I just got my wheels! KMC XD Monster 20x9 (+18 offset)!

They look absolutely amazing on my black FX4! Pictures will be posted later on.

I have one question for everyone. I have had them on for 40 miles and want to take off the center caps to check the lugs...but...I cant get the center caps off I have gotten my fingers behind them and pryed pretty hard, but no luck. I just dont want to crack them! Any suggestions?? Thanks.