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The JBA Cat4Ward header for 2003–2013 GM trucks with 4.3L V6 engines is a shorty header that reduces restriction to improve torque and efficiency. Built from durable stainless steel with mandrel-bent 1-1/2" primaries, it incorporates JBA's Firecone collector, 3/8" machined flanges with oversized ports, extra-thick collector domes and factory-style emission connections with included hardware for a secure, leak-free installation.
JBA 03-13 GM Truck 4.3L V6 1-1/2in Primary Raw 409SS Cat4Ward Header
