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The JBA Cat4Ward shorty header for 2003–2006 GM truck 6.0L LS (without EGR) replaces restrictive stock manifolds with 1-5/8" primaries to boost power and efficiency. Made from durable stainless steel, it features 3/8" machined flanges, mandrel-bent tubing and JBA's Firecone collector. Factory-style emission connections, thick collector domes and quality hardware ensure a professional, no-leak installation and improved torque delivery.
JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Silver Ctd Cat4Ward Header
