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The JBA Cat4Ward header for 1996–2000 GM trucks with 7.4L Vortec engines (with EGR and A.I.R.) is a shorty-style upgrade that reduces backpressure and improves efficiency compared with stock manifolds. It features mandrel-bent stainless tubing, 3/8" machined flanges, oversized ports and the Firecone collector, and includes factory-style emission connections plus quality hardware for a leak-free install.
JBA 96-00 GM Truck 7.4L Vortec w/EGR & A.I.R. 1-3/4in Primary Raw 409SS Cat4Ward Header
