Silverstone LC20 Question

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I just ordered a LC20-B from Newegg and I received it yesterday and I was wondering if I am supposed to remove those metal stamped fan grilles from the front of the case? They are already partly cut out.

Here's a picture to show you what I mean

I got that picture from a review site my case is slightly different I have one long drive cage not two separate small ones but I still have the stamped fan grilles I just need to know if I should remove them

Thanks

 

[JDM_WAAAAT]

um, yeah.