JBA Cat4Ward shorty headers for 1999–2004 Mustang GT 4.6L (2V) are 1 5/8‑inch primary stainless steel collectors with a metallic ceramic coating. They replace restrictive exhaust manifolds to improve exhaust flow in tight engine bays, providing a compact header profile suited to older Mustang layouts while the coating aids heat management and corrosion resistance on the exposed surfaces.
JBA 99-04 Mustang GT 4.6L (2V) 1 5/8 in. Stainless Steel Shorty Header w/ Metallic Ceramic Coating