Unbolt it from the manifold, cap the port on the manifold and install a UPR blockoff plate or an ebay one is fine too. Then turn off all EGR functions in the computer. It has zero performance gain though and is only really cosmetic to clean up the engine bay.
2000 Mustang GT Steeda #0048
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.