JBA Cat4Ward® Header 99-04 Mustang 4.6L 2V 1 5/8" Primary Raw 409 1625S-9This Part Fits:YearMakeModelSubmodel1999-2004FordMustangGT2001FordMustangGT Bullitt2003-2004FordMustangMach 11999,2001,2003-2004FordMustangSVT Cobra2003FordMustangSVT Cobra 10th...