DJ, here are the guards red, speed yellow and silver Porsche seat belts. Not cheap. They are about double this price from the factory ($790). Try calling Sunset Porsche too for better pricing. I don't know if they fit a 986:
http://e-partssales.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=P&Product_Code=beltset987&Category_Code=987int