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The JBA Cat4Ward header for 2004–2010 Ford F-Series 5.4L 3V applications features 1-5/8" primaries in raw 409 stainless for robust corrosion and heat resistance. Its shorty design reduces exhaust restriction to improve power and efficiency while machined 3/8" flanges, oversized ports, the Firecone collector and extra-thick collector domes enhance scavenging and durability. Includes factory-style emissions connections and hardware for a professional installation.
JBA 04-10 Ford F-Series 5.4L 3V 1-5/8in Primary Raw 409SS Cat4Ward Header
