Originally Posted by lastblueprint

You know what, as of yet i have not tried the stock under tray, the front bumper does have drilled wholes in it and I will find out this weekend to see if it fits. This will be my first weekend having my car back since the paint work so I will keep you guys up dated and take pictures as well.... No built in diffuser, this whole kit has a fat lip going around it. Will post up more pictures for you guys and feel to ask amy question.