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The JBA Cat4Ward header for 2014–2020 GM trucks with 4.3L V6 engines features a silver-coated finish over mandrel-bent 1-5/8" primaries for improved flow and corrosion resistance. It employs JBA's Firecone collector and 3/8" machined flanges with oversized ports, plus extra-thick collector domes and factory-style emission connections with quality hardware for a professional, leak-free fit.
JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Silver Ctd Cat4Ward Header
