The JBA Cat4Ward shorty header for 1999-2004 Ford Mustang 4.6L 2V frees exhaust flow to improve engine efficiency and mid-range torque compared with stock manifolds. The Firecone collector is intended to enhance power where you drive most. Silver-coated, mandrel-bent construction includes 3/8-inch thick machined flanges, oversized ports and reinforced collector domes, plus factory-style emission connections and quality hardware for a professional installation.
JBA 99-04 Ford Mustang 4.6L 2V 1-5/8in Primary Silver Ctd Cat4Ward Header