Stainless Works 2003-11 Crown Victoria/Grand Marquis 4.6L Headers 1-5/8in Primaries 3in H-Flow Cats

2003-11 Crown Vic / Grand Marquis 4.6L 2V Headers featuring 1-5/8" primaries, 3" slip fit collectors and 2.5" diameter catted lead pipes. Stainless steel construction, TIG welded and made in the USA. Designed to fit the flanged factory connection point. Includes necessary O2 extensions and clamps.