Metra Kit too Small?
 

I purchased the Metra Kit for my '99 ES300 and for my double DIN LCD it comes out too tight to fit around my head unit. I am just curious if this is common, we're talking one or two CM here, so it's not huge, but frustrating nonetheless. I didn't know if anyone experienced this before I get the dremmel tool out and attempt to widen the kit just a little bit.