I want to swap the 06 HD grille into my 2004 Silverado Base

Do I need both the hood and grille from the 06? Or will it be direct fit without the hood?

Click image for larger version. 

Name:	601270h.jpg 
Views:	558 
Size:	46.0 KB 
ID:	49402 This is the grille I have on my truck

Click image for larger version. 

Name:	06_silverado_z71ext_2.jpg 
Views:	966 
Size:	21.3 KB 
ID:	49403Want to swap for this one