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The JBA Cat4Ward header for 2003–2013 GM trucks with 4.3L V6 engines features a silver-coated finish over mandrel-bent 1-1/2" primaries to aid corrosion resistance while improving flow. It uses JBA's Firecone collector, 3/8" machined flanges and oversized ports, extra-thick collector domes and includes factory-style emission connections with high-quality hardware for a professional installation.
JBA 03-13 GM Truck 4.3L V6 1-1/2in Primary Silver Ctd Cat4Ward Header
