2001 Cobra R wing to a 1999 Cobra

Sorry for the newb post. I'm new to mustangs but I've heard the community is great. I'm buying a 1999 Cobra but the spoiler needs to be repainted. I can get a 2001 Cobra R spoiler for cheap; does anyone know if it's a direct bolt on to the Cobra deck or will drilling be required?

Thanks for the help.
 
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